List two common objects for where the natural origin is a metal and two common objects for which the natural origin is a nonmetal

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 intensityb. 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.

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

What element does susan b. anthony include in this passage to strengthen her argument?