Can you describe "diffraction grating" in simple terms. i have tried looking online but the definitions are too confusing. for the : }

Which statement is a reason to support population regulation? a) it is unethical for us to control birth control rates b) humans have the freedom to produce as many children as desired c) the gap between the rich and poor has been narrowing since 1960 d) billions more people on the earth will intensify many environmental and social problems

What is the polyatamic ion of borate

Why does asexual reproduction result in offspring with identicle genetic variation