Carbon credits are used to a. rehabilitate tropical rainforests b. reduce the emission of volatile organic compounds (VOC's) c. regulate how much carbon dioxide a country can emit d. coordinate carbon sequestration activities

In the african savanna, more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

Select the correct answer from each drop-down menu. during the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.