After the drought ended, the U. S. government encouraged farmers to change their farming practices to prevent this from happening again.
Which practice would best help the soil stay in place?
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planting only natural grasses and corn in the fields
planting soybeans and corn in fields next to fields with cattle
planting trees and grasses in areas between fields with crops
building pipelines to carry large amounts of water to use in sprinklers in the fields
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Give the biological term for: structures that display characteristics of living organisms only within living cells

Read the following scenario to answer the following question. over the past 60 years, many amphibian species have experienced significant population declines, and some species have become extinct. scientists suspected that local human activities such as the destruction of wetlands, regional pollution, and deforestation were the main reasons for these losses. however, research over the past 20 years reveals significant amphibian population declines in protected areas of the world, such as nature preserves and parks. these global declines suggest widespread problems including increased ultraviolet radiation, acid rain, and disease. in switzerland, for example, 14 of the 20 native amphibian species are threatened with extinction. when most populations of a wide-ranging amphibian species are lost and the few remaining populations are widely separated, we expect to see that a. the founder effect becomes increasingly important b. microevolution no longer occurs c. gene flow between populations is reduced d. artificial selection becomes a greater factor in microevolution

What happens when two nitrogen atoms share electrons