ankc5db2
contestada

multiple questions

1. The tropopause is best described as which of the following?


A. the boundary between the troposphere and the stratosphere


B. the boundary between the troposphere and the mesosphere


C. the boundary between the troposphere and the ionosphere


D. the boundary between the troposphere and the exosphere




2. Chemicals released into the air from human activity, such as sulfur dioxide, carbon dioxide, and nitrous oxide, interact with the atmosphere to make acid rain. In which atmospheric layer does this process happen?


A. thermosphere


B. exosphere


C. mesosphere


D. troposphere