PLZ HELP ASAP AG CLASS Which of the following design elements most closely relates to the primary design element in the picture above?

A form
B repetition
C color
D proportion

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?

Variety of living organisms; includes genetic, species, and ecological types.

Acommon kind of mechanical weathering is called