What causes static electricity?

Explain two reasons you think it is important for scientists to search for new ways to treat cancer

What field of science did harry hess study?

Parthenogenesis is a type of reproduction that does not require a mate. it’s rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.