The hindbrain includes the:
o
a. corpus callosum.
b. limbic system.
c. brain stem.
o
d. occipital lobes

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.

How does the carbon cycle involve an exchange of carbon

Why are current extinctions of concern to enviromentalists?