Chapter 15 Exam Questions With Correct Answers.

EXAM STUDY MATERIALS July 29, 2024 12:59 PM Chapter 15 Exam Questions With Correct Answers. 1. Climate is a description of ________ weather conditions. A. Long -term regional B. Stable and unchanging C. Temporary D. Temporary local E. Annual - answer✔✔A. Long -term regional 2. The earth's earliest atmosphere was probably composed mainly of __________, which has/have since largely dissipated into space. A. Hydrogen and helium B. Carbon dioxide and m ethane C. Oxygen D. Water E. Nitrogen and sulfur - answer✔✔A. Hydrogen and helium 3. Elements such as carbon, nitrogen, oxygen, and sulfur were added to the Earth's early atmosphere through _______________. A. the mechanical weathering of rocks B. the chemical weathering of rocks C. volcanic emissions D. photosynthesis E. contact with space - answer✔✔C. volcanic emissions 4. The atmospheric zone where most weather events occur is the ________________. A. Stratosphere EXAM STUDY MATERIALS July 29, 2024 12:59 PM B. Thermosphere C. Troposph ere D. Mesosphere E. Stratopause - answer✔✔C. Troposphere 5. The two main gases making up the lower atmosphere are A. Helium and hydrogen B. Carbon dioxide and nitrous oxide C. Oxygen and methane D. Nitrogen and oxygen E. Oxygen and carbon dioxide - answer✔✔D. Nitrogen and oxygen 6. Aerosols are A. Gases produced by industry B. Tiny particles and droplets suspended in the air C. The principal gas involved in the greenhouse effect D. Tiny droplets of a very specific c hemical composition E. The principal gas involved in global warming - answer✔✔B. Tiny particles and droplets suspended in the air 7. The correct sequence of atmospheric zones upward from the earth's surface is A. Stratosphere, troposphere, mesosphere, an d thermosphere B. Troposphere, stratosphere, mesosphere, and thermosphere C. Mesosphere, stratosphere, troposphere, and thermosphere D. Thermosphere, stratosphere, troposphere, and mesosphere E. Troposphere, mesosphere, stratosphere, and thermosphere - answer✔✔B. Troposphere, stratosphere, mesosphere, and thermosphere 8. The different layers of the atmosphere are kept from mixing by A. Sharp temperature boundaries B. Contrasting gas compositions C. The extreme stillness within each layer