How could the basic compounds necessary for life have been formed on early Earth? *

The Miller Urey experiment provide the first evidence that organic molecules needed for life could be formed from components.

Explanation:

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.

you can have just about every answer you can think of