APES - Unit 4 Questions and answers rated A+2023/2024

APES - Unit 4 Questions and answers rated A+2023/2024Briefly describe the structure of the atmosphere, being sure to include the troposphere, stratosphere, mesosphere, and the boundaries between each set of layers. - correct answer Troposphere: atmospheric layer closest to the earth's surface; layer in which weather occurs; ozone layer separates the troposphere and stratosphere Stratosphere: location of ozone layer; "global sunscreen", prevents harmful UV radiation from getting into the earth; allows other life forms to exist on earth and prevents serious sunburn Mesosphere: coldest region of the atmosphere; protects the earth from meteors Summarize ways in which humans disrupt Earth's major gaseous nutrient cycles. - correct answer Production of excessive amounts of carbon dioxide disrupt the carbon cycle by adding more carbon into the air than the plants can remove. This leads pollution of the air and disruption of the cycle. Addition of nitrogen and sulfur