Answer:
Barrier methods. Examples include male and female condoms, as well as the diaphragm, cervical cap and contraceptive sponge.
Short-acting hormonal methods. ...
Long-acting hormonal methods. ...
Sterilization. ...
Fertility awareness methods.
plz hurry ppppppppppppppppppppplllllllllzzzzzzzzzzzzzzz
Answer:
what do you need help with.
Explanation:
epidemiologists use a model for studying infectious disease and its spread that involves the microbe that causes the disease, the organism that harbors the disease, and the external factors that cause or allow disease transmission.
Epidemiologists utilize a model to study infectious diseases and their spread, which incorporates three fundamental components: the microbe responsible for causing the disease, the organism that serves as a host for the disease, and the external factors that contribute to or facilitate disease transmission.
This model provides a comprehensive framework for understanding the dynamics of infectious diseases within a population. By examining the characteristics of the microbe, such as its mode of transmission, virulence, and incubation period, along with the susceptibility and behavior of the host organism, epidemiologists can evaluate the potential for disease transmission. Additionally, external factors like environmental conditions, social interactions, healthcare infrastructure, and interventions play a crucial role in shaping the spread and impact of infectious diseases. By analyzing and incorporating all these elements, epidemiologists can develop effective strategies for disease prevention, control, and management.
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stagnat water should be drained to destroy mosquitoes
Answer:
yes and another way u can put fish in pond with stagnant water to eat the larva stage of mosquitoes
a child pulls a sled up a snow covered hill. the child does 600 j of work ok the sled. of the child walks 15 m up the hill, how large of a force must the child exert
To calculate the force exerted by the child, you need to divide the amount of work done (600 J) by the distance traveled (15 m).
force = work / distance
force = 600 J / 15 m
force = 40 N
So the child must exert a force of 40 Newtons to pull the sled up the hill.
All of the following are functions of the cell membrane EXCEPT:
A. To provide the cell with structure and protection from the external environment
B. To control the expression of genes
C. To control what enters and exits the cell in order to maintain homeostasis
D. To be involved in cell to cell signaling and communication
Answer:
Answer D
Explanation:
It's not answer A because that is the main goal of the cell membrane.
It's also not answer B because at first glance, you may think that this is the goal of the nuculeus, HOWEVER, this is also the perpous of the cell membrane.
Finally, its not answer C because that is just answer A, but reworded to make it sound different.
The answer is answer D because communicating between cells is the goal of the Endoplasmic Reticulum, aka the ER.
what bone contains the greater and lesser tubercles, the olecranon fossa, and the deltoid tuberosity?
The bone that contains the greater and lesser tubercles, the olecranon fossa, and the deltoid tuberosity is the humerus.
The humerus is a long bone that extends from the shoulder to the elbow in the upper arm. It is the bone that contains the greater and lesser tubercles, which are bony projections located on the proximal end of the humerus. These tubercles serve as attachment sites for various muscles glenohumeral joint, including the rotator cuff muscles of the shoulder.
The olecranon fossa is a depression located on the posterior surface of the distal end of the humerus. It accommodates the olecranon process of the ulna, which forms the bony prominence of the elbow. The olecranon fossa allows for the flexion and extension movements of the elbow joint.
The deltoid tuberosity is a roughened area located on the lateral aspect of the midshaft of the humerus. It serves as the attachment site for the deltoid muscle, which is responsible for the abduction and flexion of the shoulder joint.
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Which of the following is a lymphoid organ?
Thymus
Spleen
Tonsils
*All of the above
Answer:
d. all of the above
Explanation:
correctEdgbuzz
water is a polar molecule
Yes, water is a polar molecule because the Electrons are NOT shared EQUALLY
Answer:
Yes
Explanation:
Water is a polar molecule. Hope this helps.
Which two pieces of fossil evidence support the idea of continental drift?
A) Bacteria and petrified wood
B) Glossopteris and bacteria
C) Lystrosaurus and Glossopteris
D) Petrified wood and Tyrannosaurus
Answer:
C. Lystrosaurus and Glossopteris
Explanation:
In her notes, Celeste wrote that the human body systems consist of molecules, cells, tissues, organs, and organ systems. What problem will Celeste have on her body systems test when she studies this information? A. She forgot to list organism as a level. B.She should have written chemicals/molecules. C.This is not the correct sequence. D.These are not body systems.
Answer:
The correct answer is - option A.
Explanation:
Celeste wrote only six levels of organization in her notes that include molecules, cells, tissue, organ, and organ system. That is the correct sequence from smaller to larger but she forgot the sixth and a higher level of the body system of the organization.
This level is the organism which includes the organ system. Organ system comprises various organ those perform different action to perform a larger level function.
what factors are the most important for controlling the growth of these organisms? that is, what limits their growth?
The factors that are most important for controlling the growth of organisms are limiting factors. Limiting factors are the factors that limit the growth of a population of organisms. These factors can either be biotic (living) or abiotic (non-living) factors.
The most common limiting factors are:Availability of water: Water is essential for growth. Lack of water can lead to dehydration and eventually death, which limits the growth of an organism. pH: The pH level of soil or water is essential for growth. A pH level that is too high or too low can limit the growth of an organism. Temperature: Temperature is also an essential factor for growth. Too high or too low temperatures can limit the growth of an organism. Nutrient availability: Nutrients are required for the growth of organisms. Lack of nutrients can limit the growth of an organism. Competition: Competition for resources can limit the growth of an organism. Predators: Predators can limit the growth of an organism by killing it or reducing its population size. Disease: Disease can limit the growth of an organism by killing it or reducing its population size.
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Describe the mechanism of gaseous exchange in mammals
Answer:
In mammals, air is warmed and humidified in the nasal cavity. Air then travels down the pharynx, through the trachea, and into the lungs. In the lungs, air passes through the branching bronchi, reaching the respiratory bronchioles, which house the first site of gas exchange.Hope it helps youMark as Brainliest AnswerIn mammals, the air is warmed and humidified in the nasal cavity. Air then travels down the pharynx, through the trachea, and into the lungs. In the lungs, air passes through the branching bronchi, reaching the respiratory bronchioles, which house the first site of gas exchange.
What are the adaptations for gas exchange in mammals?
The large number and small size of the alveoli give the lungs a large surface area to volume ratio. This allows mammals to grow to much larger sizes without the limitations normally imposed by the associated increase in the size and weight of the gas exchange system.
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Main-group elements from Period 3 of the periodic table are highlighted.
Which element is a highly reactive nonmetal?
11
12
13
14
15
16
17
18
Na Mg
Al Si
P
S
Cl
Ar
Sedium
22.99
04
Magnesium
24.31
Alumis
26.98
Silicon
28 09
Phosphorus
30.97
Argon
Sulu
Chlorine
32.06 35 45 39.95
20134.0131830 18:00 201
13
Al Si P
S Cl Ar
2113
Na Mg
5
3
10
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
36
355 67 72837287720.00
44 08.
MATAD
na NA
T
Tu
O A. Argon
B. Aluminum
C. Chlorine
D. Sodium
Answer:
C. Chlorine
Explanation:
A.P.E.X
The element that is highly reactive nonmetal is Chlorine. The correct option is C.
What are non-metals?
Nonmetals are elements that lack metallic properties. They contain colorless gases and some solid.
Chlorine is a non-metal gas, and it is highly reactive because it is a halogen.
Thus, the correct option is C, chlorine.
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What type of plate collision formed the Mariana Islands?
The process by which a cell takes in a large particle is called
A)endocytosis.
B)diffusion.
C)active transport.
D)exocytosis.
Answer:
Endocytosis
Explanation:
the cell needs to use a vacuole to engulf the particle and take it in
which of the following statements is true regarding authorship practices?
The following statement that is true regarding authorship practices is: Both within and between disciplines, practices differ with regard to who should be included as an author, and in what order they should be listed (Option B).
What are Authorship Practices?Authorship Practices refers to the guidelines and policies on who should be listed as an author in scientific publications. These guidelines and policies are set up to avoid ethical misconduct and ensure proper credit is given to the people who have contributed to the research. The following are some common Authorship Practices to be followed by authors:
All authors should be credited with their contribution to the work.No one who has contributed significantly to the work should be omitted from the list of authors.List the authors in order of their contribution to the work as per the authorship standards of the field.A student, a postdoc, or a technician should be the first author if they contributed most significantly to the work, but it may differ from field to field. It is not necessary to list authors in alphabetical order.In conclusion, among the given options, the statement that is true regarding authorship practices is that Both within and between disciplines, practices differ with regard to who should be included as an author, and in what order they should be listed (Option B).
Your question is incomplete but most probably your options were
Which of the following statements is true regarding authorship practices?
a. In scientific fields, authors must be listed in alphabetical order.
b. Both within and between disciplines, practices differ with regard to who should be included as an author, and in what order they should be listed.
c. Journals do not permit a graduate student to be listed as the first author.
d. In scientific fields, authors have to be listed in order of seniority.
Thus, the correct option is B.
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Authorship practices involve guidelines for attributing credit in scholarly works, based on contribution levels. The first author is often the lead contributor, and the last author is typically the senior researcher. Responsibility and ethical considerations are crucial in authorship.
Explanation:Authorship practices are protocols and guidelines followed by researchers when attributing credit for a scholarly work. Below are three statements regarding authorship practices:
Statement 1: Authorship should be based on the level of contribution to the research. This means that individuals who made substantial intellectual contributions should be listed as authors, while those who made minor contributions should be acknowledged but not named as authors.Statement 2: The first author is typically the lead contributor to the research, and the last author is often the senior researcher who supervised the project or provided major funding.Statement 3: Authorship should not be taken lightly, as it carries professional and ethical responsibilities. Authors should ensure the accuracy and integrity of the work, disclose any conflicts of interest, and participate in the peer review process.Learn more about Authorship Practices here:https://brainly.com/question/33018504
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Please help...Will mark brainiest....It is due and I need help
Answer:
Explanation:
For the 1st one with the Cheetah: It would be a long tail because it helps them balance when they turn. Sinch Cheetahs move extremely quickly they need a balance to ensure they don't topple over when they turn, this tail provides this balance.
For the 2nd one with the bear: Thick coats on a bare will help provide warmth whenever they go to hybernate. Thin fur would leave room for freezing and wouldn't be able to help them maintain the proper body temperature.
The 3rd one with the clownfish: A round tail provides a bigger boost when swimming since it is able to push more water. A forked tail would create a gap when they swim so they would have to expend more energy than with a round tail.
The 4th one with the Finch: Since grubs live underground a thinner beak would be able to dig them out and stab them faster. This allows them to reach farther and get more food.
Answer:
D AZ FCSDF SDF F
Explanation:
just seeing how this works don't mind me
explain the relationship between the glass layers and the
greenhouse effect, What practical application of the glass layers
is routinely used in agriculture
The relationship between glass layers and the greenhouse effect involves the ability of glass to trap heat energy inside a structure.
This phenomenon is utilized in agriculture through the use of greenhouse structures, which allow for controlled environments that promote plant growth and protect plants from harsh external conditions.
The greenhouse effect refers to the process by which certain gases in the Earth's atmosphere trap heat from the sun, resulting in an increase in temperature. Similarly, glass acts as a selective barrier to the transfer of heat energy. It allows sunlight to pass through, but it traps the resulting heat energy inside the structure. This trapped heat creates a warmer environment within the enclosed space, similar to how a greenhouse works.
In agriculture, the practical application of glass layers can be seen in the construction of greenhouse structures. Greenhouses are made with glass or other transparent materials that allow sunlight to enter while minimizing heat loss. This controlled environment provides plants with optimal growing conditions, such as consistent temperature, protection from extreme weather events, and regulated humidity levels. Greenhouses extend the growing season, enable cultivation of plants that are not native to the region, and enhance crop productivity by creating a favorable microclimate for plant growth.
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Plz HELP!!!!BRAINLIEST FOR THE PERSON WHO ANSWERS FIRST!!!!!
A person who receives the blood is referred as?
Answer:
The Person who receives the blood from the healthy person is called a donor.
Answer
Recipient
Explanation:
There u go guess there's no explanation for that
Which factors affect the movement of ocean currents? Select the three
correct answers.
O A. The differences in water density
B. The temperature of ocean water
O C. The rotation of Earth on its axis
O D. The deployment of drifter buoys
Answer:
Temprature, salinity , density and pressure
Answer:
The answer's are; A, B, and C. Hope this helps you sneak boy, we all here for the same reason don't lie.
Explanation:
Suppose a species lived in an environment that changed very little over millions of years. Which theory about how fast evolution occurs would most likely explain the evolution of that species?
Gradualism is referred to the theory about how fast evolution occurs in this type of species.
What is Gradualism?This type of evolutionary changes occurs gradually and not in large steps or volume.
This however explains why the species had very little changes for a very long time as a result of the environment being best suited for them.
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Which of the following cells is the most different :
Liver cells
Egg cells
Testicular cells
Uterine cells
what are the benefits you see for implementing e911 call features for your voip network?
Implementing e911 call features for your VoIP network provides enhanced emergency response capabilities and ensures the safety of your users.
Implementing e911 call features for your VoIP network is crucial for several reasons. Firstly, it enables precise location tracking, allowing emergency services to quickly and accurately locate callers in need of assistance. This is particularly important for mobile VoIP users who may not be tied to a fixed physical address. By automatically transmitting the caller's location information to emergency services, e911 helps reduce response times and ensures that help reaches the right place.
Secondly, e911 call features enable callback capabilities, ensuring that emergency services can reconnect with callers if the call gets disconnected. In situations where communication is critical, this feature can be a lifesaver. It allows emergency responders to gather additional information or provide instructions, maximizing the chances of a positive outcome.
Furthermore, e911 compliance is often a legal requirement for VoIP service providers. Regulatory bodies enforce these requirements to safeguard public safety and ensure that emergency services can effectively respond to calls placed through internet-based telephony systems. By implementing e911 call features, you demonstrate your commitment to adhering to these regulations and prioritize the well-being of your users.
In conclusion, implementing e911 call features for your VoIP network offers significant benefits. It enhances emergency response capabilities, enables accurate location tracking, provides callback capabilities, and ensures compliance with legal requirements. By prioritizing the safety of your users, you create a more secure and reliable communication environment.
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bacterial pathogens most commonly use this class of metabolism.
The bacterial pathogens most commonly use the heterotrophic class of metabolism.
Heterotrophic metabolism refers to the process by which microorganisms, including bacterial pathogens, obtain energy and nutrients from organic compounds that they consume from their environment. These organic compounds can include sugars, amino acids, and fatty acids, among others.
In contrast, autotrophic metabolism refers to the process by which microorganisms can produce their own organic compounds using inorganic molecules such as carbon dioxide, water, and minerals, as a source of energy. Autotrophic metabolism is not as commonly used by bacterial pathogens, as they typically rely on organic compounds derived from their hosts or the environment.
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Integrated Pest Management allows for
chemical control as long as the pesticides
are ____________.
A. nonpersistent
B. sprayed monthly
C. sprayed every day
D. sprayed every other month
Integrated Pest Management (IPM) allows for chemical control as long as the pesticides used are nonpersistent.
What is meant by Integrated Pest Management?Integrated Pest Management (IPM) is an approach to pest management that combines multiple strategies to control pests while minimizing the use of pesticides.
Integrated Pest Management (IPM) allows for chemical control as long as the pesticides used are nonpersistent. Nonpersistent pesticides are those that break down quickly and do not persist in the environment for long periods of time.
This approach to pest management aims to minimize the use of pesticides and prioritize the use of non-chemical pest control methods, such as biological controls and cultural practices.
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what is the structural difference between starch and cellulose? how does this affect their ability to be digested by humans and most other animals?
Two different kinds of polysaccharides that are present in plants are starch and cellulose. They do, however, differ in terms of their structures and roles.
Compared to cellulose, which is utilised for structure and support, starch is largely used for energy storage. Starch and cellulose are two different types of polymers; starch is a branched polymer, and cellulose is a linear polymer. Both starches and cellulose are comprised of glucose molecules, however starch is a branching polymer and cellulose is a linear polymer, so they differ from one another. Since the glucose units in cellulose are linked by - connections while the glucose units in starch are connected by - linkages, this is the major distinction between the two substances.
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list two reasons why algae is good for making renewable fuel.
Answer:
they can be grown on land that would not be used for traditional agricultural, and are very efficient at removing nutrients from water.
Explanation:
what plant structure is the sporophyte generation and what structure is the gametophyte generation of the fern life cycle
In the fern life cycle, the sporophyte generation is the dominant and most recognizable phase. The sporophyte is the visible plant that we commonly refer to as a fern.
Sporophytes are a stage in the life cycle of plants, characterized by their ability to produce spores. They are the dominant and typically more visible phase in plants like ferns, mosses, and flowering plants. Sporophytes develop from the fertilized egg, or zygote, and are diploid, meaning they possess two sets of chromosomes. These structures are responsible for producing spores through a process called meiosis.
Spores are reproductive cells that can develop into new individuals without the need for fertilization. Sporophytes are typically larger and more complex than the gametophyte phase, consisting of roots, stems, leaves, and reproductive structures. They play a crucial role in plant reproduction, dispersing spores and ensuring the continuation of the plant species.
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1. Does normal serum have bactericidal properties?
2. Why are tears and saliva potential biohazards?
3. What can you conclude regarding the effect of heat on the bactericidal properties of normal serum?
Yes, normal serum does have bactericidal properties as Serum contains various components of the immune system.
1. Yes, normal serum does have bactericidal properties. Serum contains various components of the immune system, including complement proteins, antibodies, and antimicrobial peptides, that can kill or inhibit the growth of bacteria. These components work together to defend the body against bacterial infections.
2. Tears and saliva can be potential biohazards because they can contain microorganisms, including bacteria and viruses, that may cause infections. Although tears and saliva contain certain components with antimicrobial properties, such as lysozyme and antibodies, they may not always provide sufficient protection against all pathogens. Additionally, if a person has an active infection or carries a contagious disease, their tears and saliva may contain a higher concentration of infectious agents, making them potential sources of transmission to others.
3. Regarding the effect of heat on the bactericidal properties of normal serum, heat can have variable effects. Heat can denature or destroy certain components of the immune system, such as proteins or antibodies, which may reduce the bactericidal properties of the serum. However, it is important to note that different components of the immune system may have different temperature sensitivities. Some components may be more heat-stable and retain their activity, while others may be more sensitive to heat and lose their bactericidal properties. The specific effect of heat on the bactericidal properties of normal serum would depend on the temperature and duration of heat exposure, as well as the specific components involved.
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Help me please with 1 and 2 you’ll get brainlest if ur right
Answer:
Question 1~ "particles that make up matter have kinetic energy" & "particles that make up matter are always in motion".
Question 2~ a- liquid
b- solid
c-gas
hope this helps!!!