What is an example of an event that can compromise an ecosystem? 1. global warming melting summer ice floen in the Arctic
2.solar storm hitting earths magnetosphere
3. ocean current cooling the Gulf Stream
4.rivers flooding the Amazon Basin in South America

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.

both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.

answer; both surfaces of the membrane are nonpermeable

not sure what it is