The only ocean layer with enough sunlight to sustain marine plants is the?

Question

a. deep ocean

b. thermocline

c. mixed layer

d. antarctic intermediate water

which of the following can be removed in the usable quantities from seawater?

a. copper

b. iron

c. magnesium

d. uranium

Sea breezes, land breezes, and mountain breezes are examples of

a. local winds

b. trade winds

c. polar winds

d. jet streams

which of the following can be removed in usable quantities from seawater?

a. copper

b. iron

c. magnesium

d. uranium

two examples of warm currents are the

a. gulf stream and the kuroshio current

b. kuroshio current and the canary current.

c. canary current and the california current

d. california current and the gulf stream

why are continents warmer than nearby ocean waters during the summer?

a. continents recieve more direct sunlight than oceans

b. continents cool off more slowly than ocean waters

c. ocean waters cool off faster than land.

d. ocean waters warm more slowly than land

Answer 1

1.  B.  thermocline

2.  C. magnesium

3.  A.  local winds

4.  C. magnesium

5.  A.  gulf stream and kuroshio currents

6.  D.  ocean waters warm more slowly than land

Answer 2

(1) - B: thermocline

(2) - C: magnesium

(3)- B: Trade winds

(4) -B: gulf stream and kuroshio current

(5) - D: ocean waters warm more slowly than land