Choose the cells that are diploid. egg nerve bone sperm muscle

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?

At which location in earth’s interior does the top density continue to increase as thickness decreases?

What percentage of light hits earth's surface directly?