Imagine that you are a marine biologist and you notice that a certain type of crab tends to be considerably smaller in a local bay than the same type of crab is in the water outside the bay. What hypothesis might account for this difference? How would you go about testing this hypothesis?

b.

helicase, i think thats it

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.

more words for this could be abiotic and biotic

abiotic: living organisms within an ecosystem

biotic: non-living organisms within an ecosystem