Yes, organic material in soil is more productive.
Answer:
The United States gets 81% of its total energy from oil, coal, and natural gas, all of which are fossil fuels. We depend on those fuels to heat our homes, run our vehicles, power industry and manufacturing, and provide us with electricity.
Explanation:
B. The continents on a map looked like they fit together.
A is the theory he proposed <em>after</em> making this observation
C and D would disprove his theory, not support it.
It can't be B or C.. or D so try A. Plant succession <span>is the process of change in the species structure of an </span>ecological<span> community over time. The time scale can be decades (for example, after a wildfire), or even millions of years after a mass extinction.</span>
