Which factors have permitted the human population to continue increasing despite using nonrenewable resources at an unsustainable rate?

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

Name the types of burns one can get and which structures of the integument are damaged

The first generation of offspring from the cross of two parents is called the a.f1 generation b.f2 generation c.short generation d.p generation