Atmosphere & Oceans: exam Review

The main human activity that releases carbon dioxide (CO₂) into the atmosphere is...

• using bottled water

• burning fossil fuels

• texting on cellphones

• eating meat

Which of the following best describes the importance of ozone in the stratosphere to life on Earth?

• Ozone reflects X-rays from the Sun back into space.

• Ozone absorbs most of the ultraviolet radiation from the Sun.

• Ozone helps to moderate surface temperature by absorbing CO2 and CH4.

• Ozone increases mutation rates and accelerates evolution in a variety of species.

This had the goal of decrease production of CFCs by the year 2000

• Montreal Protocol

• Kyoto Protocol

• Paris Agreement

• NEPA

• CITES

Which is a geographical factor that does NOT influence climate?

• altitude
• latitude
• longitude
• ocean currents

In which layer of the atmosphere is global warming taking place?

• Troposphere
• Stratosphere
• Mesosphere
• Thermosphere

Which of the following is a major source of nitrous oxide, which can be found in our atmosphere? 

• Fertilizer production
• Aerosol cans
• Off-gassing of benzene from gasoline
• Metal smelting

What is the primary cause of global sea-level rise?

• Sea ice melting
• Land ice melting
• Thermal expansion of the oceans
• Displacement due to volcanic activity at mid-ocean ridges.

What is a predicted (and now observed) response of animal populations to global warming?

• Migration toward the equator.
• Migration to lower elevations.
• Migration toward the poles.
• Migration toward prevailing wind patterns.

Decreasing ocean temperature causes the density of the water to ______.

• decrease

• increase

• stay the same

• fluctuate

A strong surface current that runs along the east coast of the United States and carries warm water to Europe.

• California Current
• Global Conveyor Belt
• Gulf Stream
• Surface Current