Chapter 13 Oceans and Seas Earth Science BJU

A coral reef seperated from the mainland by a lagoon is a(n) ____________.

Because clams, corals, and anemones are attached to or live on the bottom they are ___________.

About what % of the earths surface is covered by oceans?

When water is described as potable, it is

Which of the following gases is more abudant in the lighted xones near the surface than in the dark regions

The oceans of the world are divided into four completley seperate basins.

Seawater has a lower freezing point than fresh water does.

Both Christian and secular scientists agree that the average salinity of the world ocean is slowly increasing.

Man uses sonar in ways similar to how sea creatures use echolocation.

Sound in seawater travels faster than in air.

Which ocean basin covers the largest percentage of the earth's surface?

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

Global mean sea levels currently are _________.

The most abundant salt found in the ocean water is _____________.

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

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

According to the Genesis creation account, on day 3 God created our oceans as they are today.

Oceanography is a broad field that includes lots of different careers.

Creationist believe that ___________ were formed by runoff from the continents late in the flood.

Temperature increases, pressure decreases and density decreases as you go from the ocean floor to the surface.

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

In general, seawater temperature __________ from the surface to the bottom.

Marine Snow would be most important to organisms living in the ________ zone.

Organisms that live between the low tide mark at the shore and the edge of the continental shelf live in the ____ zone.

The carbon and nitrogen cycles operate only in the oceans.

What forms when large waves first break and drop sand?