1. a sequence of sugars, phosphates, and nitrogenous organic bases
2. a complex molecule containing the genetic code
3. a nucleic acid that participates in the synthesis of proteins
dna
nucleic acid
rna

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?

As the human population grows, what happens to our natural-resource requirements? o they increase o they decrease o they do not change. they go in cycles

What are the seven economic and social goals?