It is hoped that, despite the controversy of human cloning, biotechnology will a) have solutions for treating, if not curing, genetic disorders. b) be the way to create sufficient food for the world population. c) allow man to produce the type of animals, including humans, desired. d) produce animals that are exact replicas of those we already have on earth

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this

phosphorus cycle

explanation:

the phosphorus cycle is the way that compounds of the element phosphorus, an essential nutrient, are recycled in the environment. plants absorb phosphorus compounds from the soil, and decaying organic matter, including both plant matter and animal droppings, returns it to the soil. phosphorus is a vital part of atp, the energy currency of all cells, and is vital to all forms of life.