Humans are organisms that live on the surface of the Earth. In recent years, many products that people use have released chemicals into the air. This has slightly changed the composition of the air that surrounds the planet.

Which statement describes this interaction?

What is the importantence of the carbon and nitretan cycles in the environment

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species

Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis