When you are outside playing in the sun, your skin works with sunlight to?

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?

What is the following best defines climate?

What is the farthest destination to date for a human spaceflight mission?