Answer:
C
Explanation:
Average Speed = total distance covered / total time taken
the distance she covered didnt change because the race track stayed 5km.
However, she did take a longer time to complete the race because she stopped in the middle to tie her shoes
Therefore, C is the answer.
Which of the following is true of the gulf stream? which 3 answers are correct?
1. It is a warm current in the atlantic ocean
2. it is a cold current in the pacific ocean
3. it carries warm water from the americans to western europe
4. it moderates the climate of western europe
5. it makes westerns europes climate more harsh
The three correct options are:
1. It is a warm current in the Atlantic Ocean.
3. It carries warm water from the Americas to Western Europe.
4. It moderates the climate of Western Europe.
The Gulf Stream is a warm and swift ocean current in the Atlantic Ocean, originating in the Gulf of Mexico and flowing northeastward along the eastern coast of the United States and Canada. It carries warm waters from the tropics towards the North Atlantic region, including Western Europe.
As it moves across the ocean, it helps to moderate the climate of Western Europe by releasing heat, thereby making the winters milder and the overall climate more temperate. The Gulf Stream plays a crucial role in influencing the weather patterns and maintaining a relatively mild climate in Western Europe compared to other regions at similar latitudes.
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Do you think a moving skateboard has energy? Why or why not?
PLEASEEEEEE HURRY
Answer:
"Yes," a moving skateboard has energy.
When the skater seems to be in motion or throughout a movement, the potential energy converts itself into the kinetic form of energy, and then it becomes potential energy again.
Furthermore, somewhere after every movement, the same skateboarder was around a similar height, — in other words thus every time it is equally powerful.
The response is thus the right one.
Explanation:
What is the charge on the Cr in Cr2O72-
Answer:
+6.
Explanation:
So, a chromium atom here has an oxidation number of +6.
What happens to air pressure and amount of oxygen as the altitude increases in Earth's atmosphere? 1. Air pressure decreases, while the amount of oxygen increases. 2. Both air pressure and the amount of oxygen increase. 3. Air pressure increases, while the oxygen decreases. 4. Both air and oxygen decrease.
Answer:
As altitude increases in Earth's atmosphere, both air pressure and the amount of oxygen decrease.
At sea level, the air pressure is about 1013.25 millibars (mb) and the concentration of oxygen is about 21%. As you go higher in the atmosphere, the air becomes thinner and less dense, so the air pressure decreases. At the same time, the concentration of oxygen also decreases because there is less air overall to contain oxygen molecules.
This is why it is harder to breathe at high altitudes, such as on a mountain. The air is less dense, so there are fewer oxygen molecules per breath and the body has to work harder to get enough oxygen.
Answer:4: Both Air and Oxygen decrease.
Explanation:This is in accordance with Henry's law. As pressure decreases solubility of gases decreases. Air pressure decreases as we altitude increases and the decrease in oxygen level is the consequence ,
What is an ellipse please help)
In mathematics, an ellipse is a plane curve surrounding two focal points, such that for all points on the curve, the sum of the two distances to the focal points is a constant. As such, it generalizes a circle, which is the special type of ellipse in which the two focal points are the same.
Maybe they might use that math thing for Science.
Describe three abiotic and three biotic components of an ocean marine ecosystem.
Answer:
abiotic sand sunlight water currents
biotic fish bacteria jellyfish
pretty sure this is right
because biotic is living and abiotic is nonliving
7: How many times can a volcano erupt?
Answer:
Some small volcanoes only erupt once in their lives,
while other volcanoes erupt multiple times. Kilaeua volcano in Hawaii, which has been erupting continuously since 1983, is the world's most active volcano. While some volcanoes erupt at regular intervals, there are always exceptions to the rule
Answer:
small volcano's only 1 time while big volcano's mutiple times
Explanation:
PLESE HELP ME!!!!!!!!
In two or more complete sentences, develop a logical argument to either support or refute the following statements. Be sure to provide evidence supporting your decision.
Mass extinction is not something that, as a society, we need to be concerned with today. That only happened when dinosaurs became extinct.
Phenomenon: Why are seat belts necessary? Seat belts have been placed in cars since the 1960’s. They are a safety feature used to decrease the forces in a car crash. According to Newton’s 1st Law of Motion, identify which of the following statements explains how seat belts lessen the effects of a crash
Explain how you could use the solubility of a substance to make a saturated solution.
Answer:
Add solute to liquid until dissolving stops.
Evaporate a solvent from a solution until the solute begins to crystallize or precipitate.
Add seed crystals to a solution that is supersaturated.
Explanation:
Match the term to its definition (Lessons 6.03, 6.04 and 6.05)
(i can't fit this all without confusion)
Answer: the first paragraph is rain forest biome and the 2nd one is arctic tundra biome and finally the last paragraph is ocean or marine biome
Explanation:
rain forests have warm temperatures and include alot of animals and plants , artctic tundra biome includes cold temperatures ice stuff and all that and ocean or marine biome is pretty much just the ocean with seals , whales and marine life yk.
what are examples of attractive and repulsive forces?
PLSSSSSSSS HELP MEEEEEEEEEEEEEE
Answer: The answer to your question is B,C,D.
Answer: i think A, B, D?
Explanation:
Neutron stars are incredibly dense. Describe a neutron star in terms of a sugar cube.
please solve this for me
The standard reduction potential for the half-reaction of Be^2+ + 2e^- -> Be is given as E^0 = 3.83 V.
For the half-cell Hg^2+ | Hg, the standard reduction potential is not provided in the given information. To calculate the electric potential for the voltaic cell, we need the reduction potential for the Hg^2+ | Hg half-cell.
A voltaic cell, also known as a galvanic cell or an electrochemical cell, is an electrochemical device that generates electrical energy through a spontaneous chemical reaction. It consists of two half-cells connected by an external circuit and a salt bridge or porous barrier that allows the flow of ions between the two half-cells.
Each half-cell consists of an electrode immersed in an electrolyte solution. The electrode is typically made of a metal or a conductive material, and the electrolyte is a solution containing ions that can participate in the redox (reduction-oxidation) reaction.
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Answer:
The standard reduction potential for the half-reaction of Be^2+ + 2e^- -> Be is given as E^0 = 3.83 V.For the half-cell Hg^2+ | Hg, the standard reduction potential is not provided in the given information. To calculate the electric potential for the voltaic cell, we need the reduction potential for the Hg^2+ | Hg half-cell.
Match these items.
1. imprint of plant or animal
original-remains fossil
2. undecayed plant or animal part
carbonized fossil
3. replaced by a mineral
petrified fossil
4. only carbon remains
cleavage
5. mountain
geology
6. from magma
metamorphic
7. from physical and chemical changes
igneous
8. sandstone
print fossil
9. helps identify rocks
landform
10. science of Earth
sedimentary
1. print fossil
2. carbonized fossil
3. petrified fossil
4. cleavage
5. landform
6. igneous
7. metamorphic
8. print fossil
9. geology
10. sedimentary
\(\)
The print fossil, original-remains fossil, petrified fossil, carbonized fossil, landform, igneous, metamorphic, sedimentary, cleavage, and geology are the respective matches as given in the question.
Print fossil is imprint of plant or animal and basically known as fossil impression. Original-remains fossil comprises of the original tissues and parts of organism and undecayed plant or animal part. Petrified fossil is replaced by a mineral. Carbonized fossil is only carbon remains. Landform is a mountain. Igneous is from magma.
Metamorphic is from physical and chemical changes. Sedimentary rocks are sandstone. Cleavage helps to identify rocks. Geology is the study of science of earth.
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these days cloths made out of a mixture of synthetic fiber and natural fibers are more popular than those made purly out of synthetic fiber. Discuss the reason for this
Answer: Clothes purely made of synthetic fibers are not comfortable in a hot and humid environment as they don't have the property to absorb water or sweat quickly so their water-resistant property makes them unsuitable for hot humid environment .
Explanation:
Mixing of synthetic fiber and natural fibers enhances the properties such as strength, elasticity, and ease of ironing and washing. Generally in hot environments it is preferred to wear a mixture of synthetic and natural fiber than wearing only clothes made from synthetic fiber .
Moreover, mixing synthetic fibres with natural fibres enhances their properties, such as strength, elasticity and ease of washing and ironing. Hence, these days clothes made out of a mixture of synthetic fibres and natural fibres are more popular than those made purely out of synthetic fibres.
True or False?
The chemical bond formed when two atoms share electrons is called an ionic bond.
Answer: False
Explanation:
You can search online or read it in a book.
To find S, the number of shared
electrons, recall that
S = N-A
What is S for silicon
tetrachloride, SiCl4?
Answer:
I'm rly confused but Si stands for silicon in the compound if that's what ur asking
hope it helps tho
This illustration shows a rock column. Using potassium-argon dating, geologists have calculated an age of 200 million years for rock A, a granite. Rock F, the volcano, has been given an age of 225,000 years. Use the ages and illustration to answer the questions.
1. Did the canyon form before or after layers B, C, D, and E?
How do you know?
2. Did rock B form before or after rock C?
How do you know?
plss help!! I will give crown to the best answer!
it formed before because it is deeper than all of them .
no it did not rock b is deeper than rock c therefore rock b was formed first
ANSWER URGENTLY FOR BRAINLIEST (LEGIT)
Part D
The lineage of pea plants produced round seeds for four generations. The plants that fertilized these pea plants also produced round seeds. However, in the fifth generation, the plant produced to two plants with wrinkled seeds. Can that be possible? Explain your answer using your pedigree chart.
Answer:
This happened because two fully recessive plants where introduced into the lineage. these plants where paired with the dominate verison. this would make all of the offspring have the two traits. this being said it would make it possible for the offspring to be Wrinkled Seeds.
Explanation:
Which simple machines make up scissors?
A) one lever and one wedge
B) two levers and two wedges
C) one inclined plane and two pulleys
D) two inclined planes and two levers
A restaurant advertises that it is environmentally friendly. It describes the solar panels it uses to generate electricity and the locally grown produce it serves. All the meals it offers are prepared over an open wood fire. Food is served on recycled copper plates, and drinks are served in recycled aluminum cups.
Which correctly lists three renewable resources used by the restaurant?
aluminum, copper, produce
copper, produce, sunlight
produce, sunlight, wood
sunlight, wood, aluminum
Answer:
produce, sunlight, wood
The renewable resources used by the restaurant are
produce, sunlight, wood
What are renewable resources?Renewable resources are resources which can be replenished after being used up.
Renewable resources include water, sun energy, wind, trees and animals.
The environmentally friendly restaurant will use things that would not cause environmental damage.
Based on what they use, three renewable resources used by the restaurant are solar energy, locally grown produce and wood.
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Which of the following statements is false about plants and animals before the flood?
Fossils have shown that there were trees and other plants in areas of the earth.
Plants were of great size in comparison to today.
Records show that there were large animals, like mammoths and dinosaurs.
The variety of species on earth today is greater than before.
Answer:
Fossils have shown that there were trees and other plants in areas of the earth
The statement "The variety of species on earth today is greater than before" is false. Therefore, option D is the false statement.
What was the effect of the flood on plants and animals ?Fossils have shown that there were trees and other plants in areas of the earth, and plants were of great size in comparison to today. Records also show that there were large animals, like mammoths and dinosaurs, that lived on Earth before the flood.
However, there is no scientific evidence to support the claim that the variety of species on Earth today is greater than before the flood.
In fact, the fossil record suggests that there were many species of plants and animals that existed in the past that are now extinct, meaning that the overall variety of life on Earth may have been greater in the past. Therefore, the statement in option D is false about the effect of flood on the plants and animals in that era.
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All chemicals in the lab (including foodstuffs and store-bought chemicals) should be treated as if they could be hazardous. True or False?
Answer: True, all chemicals should be treated as if you don’t know what they are.
Explanation:
All chemicals should be treated as if you do not know what they are. In this way you can protect yourself and others from potential hazards, as chemicals can be mixed up or confused.
The statement "All chemicals in the lab (including foodstuffs and store-bought chemicals) should be treated as if they could be hazardous" is definitely true.
What are Chemicals?Chemicals may be characterized as any sort of basic substance that is significantly utilized in or manufactured during a reaction that involves remarkable alterations to atoms or molecules.
The methodology of treating chemicals demonstrates their physical as well as chemical properties, appearances, and reactiveness. In this way, one must become much more confidential with all the basic characteristics, potential hazards, and efficiency of any chemical.
This procedure also delivers proficiency to you in the future with respect to chemicals or their efficiency. It also decreases your potential fear of chemicals.
Therefore, the statement "All chemicals in the lab (including foodstuffs and store-bought chemicals) should be treated as if they could be hazardous" is definitely true.
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What holds everything in place in the universe?
Answer:
Gravity
Gravity is the force by which a planet or other body draws objects toward its center. The force of gravity keeps all of the planets in orbit around the sun.
Explanation:
hope this helps
When the speed of the bottle is 2 m/s, the KE is kg m2/s2. When the speed of the bottle is 3 m/s, the KE is kg m2/s2. When the speed of the bottle is 4 m/s, the KE is kg m2/s2. When the speed of the bottle is 5 m/s, the KE is kg m2/s2. When the speed of the bottle is 6 m/s, the KE is kg m2/s2.
instructions
In this part of the experiment, you will be changing the speed of the bottle by dropping it from different heights. You will use the same mass, 0.250 kg, for each trial, so record this mass in Table B for each velocity. Then, calculate the expected kinetic energy (KE) at each velocity. Use the formula KE = mv2,
where m is the mass and v is the speed. Record your calculations in Table B of your Student Guide.
Answer:
Based on the given instructions, you need to calculate the expected kinetic energy (KE) at each velocity using the formula KE = mv^2, where m is the mass and v is the speed. The mass is given as 0.250 kg.
Table B: Calculation of Kinetic Energy (KE)
Table B: Calculation of Kinetic Energy (KE)
Speed (m/s)Mass (kg)KE (kg m^2/s^2)20.2500.50030.2500.75040.2501.00050.2501.25060.2501.500
To calculate the kinetic energy at each velocity, multiply the mass (0.250 kg) by the square of the velocity.
For example, when the speed of the bottle is 2 m/s: KE = (0.250 kg) * (2 m/s)^2 = 0.250 kg * 4 m^2/s^2 = 1.000 kg m^2/s^2
Perform similar calculations for the other velocities and record the results in Table B.
Answer:
Explanation:mass of the bottle in each case is M = 0.250 kg
now as per given speeds we can use the formula of kinetic energy to find it
1) when speed is 2 m/s
kinetic energy is given as
2) when speed is 3 m/s
kinetic energy is given as
3) when speed is 4 m/s
kinetic energy is given as
4) when speed is 5 m/s
kinetic energy is given as
5) when speed is 6 m/s
kinetic energy is given as
(1.) If at 100.0 mL solution contains 0.850 moles of a solute, what is the molarity ?
(2.) If the molarity of a solution is 12 M and the volume of the solution is 1.0 L, how many moles of solute does the solution contain ?
Answer:
See below
Explanation:
1) Moles / volume
.85 mole / .1 liter = 8.5 M
2) 12 moles are contained in one liter
Helppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp
Answer:
1. Delete lion, bison, reindeer, and giraffe
2. Delete cactus, oak, evergreen,
Explanation:
1. Lions live in the African savanna, bison live in open fields with lots of grass, reindeer live in Antarctica and other very cold places, and giraffes also live in the areas of the African savanna where there are trees.
2. Cacti live in the desert, oaks and evergreens live in open grassy areas.
Hope this helps
What is the relative humidity if the dry bulb temperature is 18 degrees C and the wet bulb temperature is 10 degrees C?
Plz answer I'm desperate
Answer:
better ask your teacher
Explanation:
because teacher is the best helper than this platfrom