Which pollution in the water cannot be into the air

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

Graded assignment lab report answer the questions below. which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000