When rocks are broken down by heat and pressure, chemical weathering has taken place.

What type of cell is produced after fertilization occurs and the gametes combines ?

What is a codon and where is it found

Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?