Cliffs don't form in wet climates because they will become mud and eventually fall, causing a mudslide.
I believe the answer you are looking for has to do with cells, they are the basic building block of life and are the smallest life that can support itself.
Answer:
legumes
plants they eat
Explanation:
Legumes have bacteria attached to it to allow for nitrogen absorption
the bacteria provide the plant with nitrogen, then the plant is eaten (bacteria can no longer provide more nitrogen if eaten).
Answer:
because the real planets are huge
Explanation:
lma o