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  in regions that receive significant amounts of acid rain, periphytic algae are observed coating rocks, plants, and other submerged objects in lakes and ponds. what role does acid rain play in the increased population of periphytic algae?

a)the change in ph destroys herbivores present in the lake. b)algae come down along with acid rain and infest the water bodies. c)algae are formed by the rotting of submerged objects due to acid rain. d)acid rain adds nutrients essential for the growth of algae to the water bodies.

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

One of the purposes of transcription is to produce a sequence of bases that

This map shows how climate change might affect precipitation patterns in the great plains of the united states by the end of this century. brown shoes a decrease in percipitation, and blue shows an increase. the maps differ based on the predictive levels of green house emissions. the maps shows that northern area should get a. more pracipations regardless of emmissions b. less pracipation, regardless of emmissions levels c. more precipitation, but only when emission levels.southern areas show a. more pracipations regardless of emmissions b. less pracipation, regardless of emmissions levels c. more precipitation, but only when emission levels.to use these maps to prepare for natural disasters in the great plains, scientist need to ask? a. how many tons of emissions were used at the basis of the map.b. which types of fossil fuels are used in the great plains c. if you think the above is wrong it's probly c the question is cut off