What materials does dna polymerase require in order to synthesize a complete strand of dna?

Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?

Recommend a strategy for incorporating sustainable human activity into a tropical rain forest biome.