Is contact lens solution is salty in order to match your tears hypertonic, hypotonic, or isotonic?

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?

List five ways we are indebted to phytoplankton

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.