Answer:
absence of that solute from the urine
Explanation:
im not sure if this is what the class is considerd but i know that it avians,aka birds
B. Leaf cells. Because the rest aren’t right I think
I think that these are A climate changes because they both got fur to match the snow/winter climate
I know it's not C cause this has nothing to do with food, and i don't think it's B either, so I think the best answer choice would be A