You are presented with the question "Vibrations in air can be used for what by animals?" and the following answer choices: - activation energy - communication - Something to move - sleeping - sustenance - Heart rate - food and shelter - tasting Now knowing that sound can be used for communication by animals and sounds are vibrations in air, choose the best answer.
communication
(Question)
You are presented with the question "When fats are not immediately used for energy by the body, what usually happens?" and the following answer choices: - They are discarded - heat is produced - They are stored for future use - They are stored for proteins - depress neuronal excitability - DNA damage and mutations - They are water for future use - Something that causes allergies Now knowing that if food is not immediately used by the body for energy then that food will be stored for future use and dietary fats are the fats found in foods, choose the best answer.
(Answer)
They are stored for future use
Ques: You are presented with the question "What requires water for survival?" and the following answer choices: - pigeons - the moon - rocks - bamboo - the Sun - bushes - bears - humans Now knowing that animals require water for survival and bears are common but elusive animals, choose the best answer.
Ans: bears
(Q).
You are presented with the question "what increases genetic variation?" and the following answer choices: - selection - similiarity - colors of the spectrum - Plant reproduction - biological diversity - natural disasters - population movement - rapid expansion Now knowing that gene flow occurs when individuals move into or out of a population and gene flow increases genetic variation within a population, choose the best answer.
(A).
population movement
Ques:You are presented with the question "What does the gravitational pull of the moon cause?" and the following answer choices: - earth's rotation - energy of moving objects - tides in the Pacific - to move people - river beds - the Great Barrier Reef - Plant growth is reduced - gravitational pull of earth Now knowing that the gravitational pull of the Moon on Earth 's oceans causes the tides and rivers drain into the Pacific Ocean, choose the best answer.

Ans:tides in the Pacific
You are presented with the question "A cactus stem is used for storing what?" and the following answer choices: - dust - rain - excretory - nutrients - excretion - food - liquid - ice Now knowing that acactus stem is used for storing water and typically, the liquid is water, choose the best answer.
liquid