BJU Chapter 13 Earth Science Review

The largest barrier reef in the world is found off the coast of Africa.

Global means sea levels are currently __________.

Marine snow is a form of precipitation found at sea in winter.

Sound travels in seawater ______.

The term brackish is most closely related to the ________ of a sample of water.

The deep, relatively flat zones of the ocean basins form the ________.

Which of these extends the farthest out into the ocean?

In which life zone must organisms cope with the greatest variability of conditions?

Which of the following does not belong with the other 3?

Island arcs are most often associated with __________.

The main reason the oceans are not getting saltier with time is ____________.

Coral reefs are formed from _____________.

When water is described as potable, it is __________.

An atoll is a fringing ring of coral reefs surrounding an island.

Which of these is the main chemical building block of all living things?

A Pacific Ocean atoll could have formed when ____________.

The deepest measured depth of the ocean is about 11,000 m (36,000 ft,.)

Seawater temperature near the ocean bottom ________.

Typical seawater contains about 35 grams of table salt (NaCl) per kilogram of seawater.

Marine snow would be the most important organism living in the __________.

A beach is the surface of the shore between the the water's edge and the shore.

This forms when large waves first break and drop sand.

Seawater has a lower freezing point than fresh water.

Of those listed below, the most important source of nitrogen for marine organisms is _________.

Island arcs are associated with subduction zones.