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Oceans

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Last updated almost 7 years ago
19 questions
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Question 1
1.

The part of the coastline between the high tide mark and the low tide mark is called the

Question 2
2.

The main type of wetland that occurs closer to the equator is

Question 3
3.

What do rivers drop in the salt marshes along the edges of estuaries?

Question 4
4.

What is an example of a pollutant that may be carried by rivers to estuaries?

Question 5
5.

A habitat is an environment that

Question 6
6.

Over much of the continental shelf, sunlight penetrates to the ocean bottom.

Question 7
7.

Corals get their nutrition by performing photosynthesis.

Question 8
8.

Coral reefs exist in deep, dark waters near a coastline.

Question 9
9.

Phytoplankton are photosynthetic organisms that use air bubbles to stay near the surface.

Question 10
10.

Hydrothermal vents are deep ocean environments that are unable to support life.

Question 11
11.

Which of the following is a negative effect of commercial fishing?

Question 12
12.

Humans use the ocean's living resources as a source of

Question 13
13.

Which of these groups contains only nonliving ocean resources?

Question 14
14.

Most of the oil that enters the ocean comes from

Question 15
15.

Which of these materials are NOT presently mined from the ocean floor?

Question 16
16.

Freshwater from rivers mixes with the ocean's salt water in

Question 17
17.

What is a wetland?

Question 18
18.

One way that governments protect organisms in coastal areas is by passing laws that

Question 19
19.

Which of these describes the waters in many of near-shore environments?