Why are the structures of plants ideal for photosynthesis and plant reproduction?

How do you date a sample of rock that you suspect as being one of the earliest on earth

What best describes the structure of the declaration of independence?

The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation