B. Crab
is your answer
An crab has an exoskeleton
hope this helps
The stomata would enlarge as the pore gets more concentration of potassium
Question
How do you think the human body uses cohesion?
Answer
cohesion is a water property which affects the living and noon-living things in the environment. Adhesive property of water allows water to stick to non-water molecules
A water drop is composed of water molecules that like to stick together-an example of the property of cohesion.
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Hope this helps!!! ^ω^
A constant in an experiment is <u>B. </u><span><u>the quantity that must remain the same</u>. If it is constant, it doesn't change, so it cannot be variable. D makes no sense.
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Answer:
D
explain: The Move from high concentration to low competition. Until the concentration is equal . Diffusion expand needs no energy