Which of the following statements about c4 carbon fixation is not true?
a.
c4 carbon fixation is an adaptation for plants exposed to high light intensity.
b.
c4 carbon fixation occurs in more plants than c3 carbon fixation.
c.
c4 carbon fixation is more common in areas of high temperatures than c3 carbon fixation.
d.
c4 carbon fixation occurs in the inner cells of a leaf rather than the entire leaf.

Based on the graph, how is coal consumption likely to affect future generations? a. the higher our current rate of consumption, the less coal will be available in the future. b. current rates of consumption are irrelevant because new coal will form in the future. c. the lower our current rate of consumption, the more slowly coal will be replenished for the future. d. regardless of current rates of consumption, coal will always be available.

Which area of the mind works based on the reality principle? id ego superego conscience

Territorial insects like spiders that fight off intruders would be expected to be