11. Which part of a flower contains the ovary? 1) anther
2) filament
3) pistil
4) stamen

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis

Amines amides and amino acids are categories of

Describe the layers of the suns atmosphere?