Earth and Space Midterm Review

Dissolved salts, gases, and nutrients are present in seawater in the form of

• ions
• compounds

As marine organisms die, their solid parts drift to the bottom of the ocean, causing salts to be _____ ____seawater.

• added to
• removed from

The coldest and densest water mass in all the oceans is _______________

• Pacific Bottom water
• Antarctic Bottom water

Which ocean location would have the lowest amount of salinity?

• subtropical ocean regions
• polar regions
• estuaries

Which ocean location would have the highest amount of salinity?

• estuaries
• subtropical ocean regions
• polar regions

Which of the following affects the density of seawater?

• estuaries
• hydrogen bonds
• salinity

Measure of the amount of dissolved salts in seawater

• nautical units
• thermocline
• oceanography
• salinity

Scientific study of Earth’s oceans

• Deep Water Masses
• topography
• oceanography
• seaology

Level of the ocean’s surface

• Ocean rise
• Sea Level

Transitional layer of the ocean characterized by rapidly decreasing temperatures with depth

• salinity
• oceanography
• thermocline