____ is the natural process by which water is continually recycling between the Earth's atmosphere,

OA Carbon cycle
OB nitrogen cycle
OC condensation
OD water cycle

Answer:

It allows the body to keep pathogen information for future infections.

Explanation:

Vaccination is the process whereby a substance called VACCINE is injected into body in order to prepare the immune system for resistance against infections. A vaccine contains the harmless or dead version of a pathogen called ANTIGEN, which functions to give the immune system defense mechanism against that form of pathogen in future.

The vaccine works by stimulating the immune system of the body to fight against the antigens in the same way it will fight against an actual pathogen in the future. Hence, the body keeps the information on how to combat such pathogens when there is an actual infection.

Answer

The answer is C edge 2020

Explanation:

Answer:

reactants

Explanation

This is because a reactant is a substance that participates in chemical reactions and the result of this would create the product. So essentially the reactant is ENTERING into the chemical reaction.

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Answer:

C after fossil Y there were few new type of organisms

The population density of the 900 sheep in the given plot of land is 150 sheep per square kilometer.

The population density of 900 sheep in a plot of land that is 3.00 km by 2.00 km can be calculated by dividing the total number of sheep by the area of the land.

First, we need to calculate the area of the land. The area can be found by multiplying the length and width of the plot of land:

Area = length × width = 3.00 km × 2.00 km = 6.00 km²

Next, we divide the total number of sheep by the area to calculate the population density:

Population Density = Total number of sheep / Area = 900 sheep / 6.00 km²

Performing the calculation, we find:

Population Density = 150 sheep/km²

Therefore, the population density of the 900 sheep in the given plot of land is 150 sheep per square kilometer.

Population density is a measure of the number of individuals (in this case, sheep) per unit area. By dividing the total number of sheep by the area of the land, we obtain the population density in terms of sheep per square kilometer. In this case, the population density is 150 sheep/km², indicating that there are, on average, 150 sheep within each square kilometer of the land.

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Answer:

b

Explanation:

Answer:

b

Explanation:

.

Answer:

bridge,for,and eye or enclosure

Answer: Muscles

Explanation: the body transforms carbohydrates into glycogen that is in tun stored in the muscles for energy

Natural selection occurs more prominently when there is competition for resources because competition creates selective pressures that drive adaptations and favor certain traits over others.

In any given environment, resources necessary for survival and reproduction, such as food, water, and shelter, are limited. As a result, individuals within a population must compete with one another to obtain these resources.

Competition leads to differential survival and reproductive success among individuals.

Those individuals with advantageous traits or variations that enable them to more effectively acquire and utilize resources have a higher likelihood of survival and producing offspring.

These advantageous traits can be physical characteristics, physiological adaptations, or behavioral strategies that provide a competitive edge.

Through natural selection, individuals possessing beneficial traits are more likely to pass on their genes to the next generation, while individuals with less favorable traits are at a disadvantage.

Over time, this process results in the accumulation of beneficial traits within the population, enhancing their overall fitness and adaptation to the specific environment.

Therefore, competition for resources acts as a driving force for natural selection by selecting for traits that enhance an individual's ability to secure limited resources, survive, and reproduce successfully.

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Answer:

I just don't know sorry I just want points

Answer:

Encyclopedic entry. Humus is dark, organic material that forms in soil when plant and animal matter decays. When plants drop leaves, twigs, and other material to the ground, it piles up.

Answer:

Explanation:

A kidney machine, also known as a hemodialysis machine, filters your blood through a dialyzer, which works like a kidney and filters out extra salt, waste, and fluid. The machine has built-in safety checks to ensure the process is safe and effective. A pump in the machine slowly draws out your blood, then sends it through the dialyzer. Your cleaned blood is sent back into your body through the second needle in your arm.

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Answer:

Oxygen and hydrogen ions are also formed from the splitting of water. To replace the electron in the reaction center, a molecule of water is split. This splitting releases an electron and results in the formation of oxygen (O2) and hydrogen ions (H+) in the thylakoid space.

Answer:

Click the file to view a picture that can be used as an example.

Explanation:

When summarizing an informational text, students should use:an objective, formal tone, academic language, a variety of sentence types.

1) an objective, formal tone, as the purpose is to provide a concise and impartial overview of the text; 2) academic language, which is appropriate for a scholarly or educational setting; and 3) a variety of sentence types, as this helps to maintain the reader's interest and convey information effectively. Using a casual tone or informal language is not appropriate when summarizing informational texts, as this can detract from the credibility and professionalism of the summary. By using these three elements, students can effectively summarize informational texts in a clear, concise, and professional manner.

Question: What must students use when summarizing an informational text? Check all that apply.

Academic language

An objective, formal tone

A variety of sentence types

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Two possible consequences of the release of these turtles into Gulf waters, including the effect on native turtle species are

An invasive turtle species poses direct competition with native turtles within Gulf of Mexico, resulting in possible shrinkage in population sizes for the latter group. Resource scarcity driven primarily by competition over access to nests, habitats and food sources can render natives less effective at these activities compared to their new rivals.

Furthermore, identifying underlying consequences triggered by invasive species' potential alteration of ecosystem dynamics (eg: substantial loss or balanced gain) remains crucial for further consideration. The issue of climate change represents an imminent danger that threatens the well-being of our planet. Swift action from all corners of society is required, including private citizens, companies, and governing bodies across national borders.

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Answer: im sorry but the question is pretty vague. is this an example of the earth, a plant a window or what. o nvm its earth, but ill try to give you an answer.

Explanation: theory 1. Indirect light is sunlight that either passes through a medium—a window shade or the leaves of a tree—or reflects off another surface before reaching an object. Most indoor settings only provide indirect light.  as the diffrence of earth it rotates slowly to have indirect sunlight so im gussing the black outer sphere 66.5 degrees south. i tryd im sorry if i get this wrong : (

1. Deltoid: The deltoid muscle is located in the shoulder region. It attaches to the scapula (shoulder blade), clavicle (collarbone), and humerus (upper arm bone).

It works in conjunction with the trapezius and rotator cuff muscles to facilitate shoulder movements and stability.

2. Biceps brachii: The biceps brachii is a muscle in the upper arm. It attaches to the radius (one of the forearm bones) and the humerus. The brachialis and brachioradialis are adjacent muscles that also contribute to forearm and elbow movements.

3. Triceps brachii: The triceps brachii is located at the back of the upper arm. It attaches to the humerus and ulna (one of the forearm bones). The anconeus and brachialis are adjacent muscles that assist in elbow movements.

4. External oblique: The external oblique is one of the abdominal muscles. It attaches to the ribs and the iliac crest, which is part of the hip bone. It works in conjunction with the internal oblique and rectus abdominis muscles to provide trunk rotation and lateral flexion.

5. Gastrocnemius: The gastrocnemius muscle is situated in the calf region of the leg. It attaches to the femur (thigh bone) and the calcaneus (heel bone).

It forms the prominent part of the calf and works with the soleus and plantaris muscles to flex the foot and assist in movements like walking, running, and jumping.

6. Quadriceps femoris: The quadriceps femoris is a group of muscles in the front of the thigh. It attaches to the femur, patella (kneecap), and tibia (shin bone).

The hamstrings (biceps femoris, semitendinosus, semimembranosus) and sartorius are adjacent muscles that have an antagonistic relationship with the quadriceps, helping to flex the knee and extend the hip.

These muscle names, along with their adjacent bones and adjacent muscles, provide a basic understanding of their anatomical relationships and functional roles in the body.

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The two objects on the slide that the students noticed are cheek cells and bacteria.

Cheek cells are the cells that line the inside of your cheek. They  shed constantly and are also replaced by new cells.

Bacteria are microscopic organisms that live on and in our bodies. There are many different types of bacteria, and they can be found in all parts of our bodies, including our mouths.

Bacteria are not all bad. Some of them are important for our health because they help to break down food and they produce vitamins that we need.

The student was able to see the cheek cells and bacteria on the slide because they were stained with a dye called methylene blue.

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The dichotomous key used to identify the antelopes might be based on the presence/absence of certain muscles, weight, etc.

A dichotomous key is a system to classify species and/or taxonomic groups by using two different choices.

For example, the presence/absence of certain physical features can be used to identify the antelopes.

Moreover, the threshold in certain features such as weight/height can also be used to classify species.

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Answer:

The genotypic frequency = 1:1

The phenotypic frequency = 1:1

Explanation:

Given that:

The allele → R = Red beetles

The allele → B = Blue beetles

Since the gene color shows a codominant allele

The Red Beetle = RR

The blue beetles will be = BB

The heterozygous beetle will be = RB

∴

The punnet square showing the crossing of RB × RR is:

                R                   B

R                RR               RB

R                RR               RB

The result shows that we have two red beetles and two heterozygous beetles.

Hence;

The genotypic frequency = 1:1

The phenotypic frequency = 1:1

Cell adhesion molecules are the proteins that project from the pre- and postsynaptic membranes into the synaptic cleft to insure that the two cells remain in close proximity to one another.

Cell adhesion molecules are a diverse group of proteins that are involved in various biological processes, including the formation and maintenance of synapses between neurons. CAMs bind to specific receptors on the opposing cell membrane and help to hold the pre- and postsynaptic membranes together, allowing for efficient transfer of signals between the neurons.

There are several types of CAMs that are involved in synaptic adhesion, including neurexins, neuroligins, and cadherins, among others. These proteins play important roles in the development, function, and plasticity of synapses, and their dysfunction has been implicated in various neurological disorders.

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The three traits and the possible phenotypes are:

An observable characteristic is simply referred to as a phenotype.

The term "pheno" and "phenomenon" share a common root, and "pheno" simply means "observe".

It can therefore refer to anything from a common trait like height or hair color, to the presence or absence of a disease. It is also an observable type of an organism.

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Answer and Explanation:

The brain is composed of three main structures, the cerebrum, cerebellum, and brain stem. The brain sends chemical and electrical signals throughout the body to regulate different biological functions and sense environmental changes. The brain communicates with the majority of the body through the spinal cord.

Option(B) Ureter is the correct option.

The ureter is a vital part of the urinary system in humans. It is a muscular tube that connects the kidneys to the urinary bladder. Each human has two ureters, one attached to each kidney, and they play a crucial role in the transportation of urine from the kidneys to the bladder.

The primary function of the ureter is to carry urine that is produced in the kidneys to the urinary bladder for storage before it is eliminated from the body through urination. The ureters accomplish this by using peristalsis, a wave-like muscular contraction, to propel urine along their length.

The ureters have a complex anatomical course. They originate from the renal pelvis, which is the funnel-shaped structure that collects urine from the kidneys. From there, they extend downward, crossing over the brim of the pelvis and passing behind the peritoneum, the membrane lining the abdominal cavity.

The efficient functioning of the ureters is essential for the proper elimination of waste products and maintenance of fluid balance in the body. Any obstruction or abnormality in the ureters can lead to conditions like kidney stones, urinary tract infections, or urinary reflux.

In summary, the ureters are muscular tubes that transport urine from the kidneys to the urinary bladder. They rely on peristaltic contractions to propel urine, and their structure and positioning help ensure unidirectional flow.

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