Which of the numbered labels is pointing to an energy producing organelle in the diagram? A. 2
B. 9 and 10
C. 3
D. 6

What is the next step in muscle contraction after the actin changes shape? (apex)

How does a gymnosperm prevent itself from pollinating the same tree

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