Select the initial source or sources of carbon dioxide in earth's atmosphere

a.) volcanoes
b.) respiration
c.) meteoroids
d.) photosynthesis
e.) buring fossil fuels

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

How are proteins and nucleic acids related? they both provide energy. they both carry genetic information. the structure of proteins is determined by nucleic acids. the subunits of nucleic acids are also the subunits of proteins.

What is the statement plant growth is affected by the color light