Answer:
I would say D.) at least or A.)
Explanation:
keep on studying for it, look online or at your library in school, take notes in class if you want to. hope this helps,:)
Natural Vegetation means the vegetation is growing by itself for example you have been growing onions so it been grown by it self
with sunlight and water
Wildlife means the adaptation of animals where the animals live.
Deltas, because volcanoes are a build up of composites, glaciers are from ice melting and leaving behind composites. Deltas are when composites are washed away until there is a whole or trench.