Quiz 3: Biological, Physical, and Chemical Properties

1. friction of bottom 2. continental shelf 3. crust and portion of Earth's mantle 4. estimated world's oil reserves 5. caused by ocean floor movements 6. first to measure salt content in seawater 7. world's oceans 8. large land mass arising from the ocean floor

1. shortening of wavelength 2. averages 30 miles in width 3. lithosphere 4. 1 trillion barrels 5. tsunami 6. Boyle 7. 2 miles average depth 8. seamount

Fish conservation zones extend as much as________from a nations' coast.

200 miles

Oceans help _____.

all of the above

Absorption of CO2 by vegetation is limited to land surfaces.

false

Fish are not an excellent source of protein needed for good health.

false

An object floats in sea water more readily because of sea water's _____.

greater density

Weather changes occur primarily because of

heat exchange between the ocean and atmosphere.

About 96% of sea water is made of _____.

hydrogen and oxygen

good

luck

Waves break on a beach due to _____.

reducing depth of water near beach

About 330 million cubic miles of water cover the Earth.

true

Anchovies are classified as primary consumers in the food chain of the ocean.

true

Dissolved substances in seawater constitute about 3.5% by weight.

true

Numerous elements are dissolved in sea water in trace quantities.

true

The world's second largest importer and exporter of fish products is _____.

usa