Which of the following does not have an impact on Earth's climate? a. the movement of the ocean
b. greenhouse gases
C. burning fossil fuels
d. none of the above

Which medullary index indicates a human hair? a. 0.653 b. 0.733 c. 0.516 d. 0.256

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.

At what point in the eukaryotic cell cycle does mitosis occur