A tornado's funnel cloud results when?

Question

a. air pressure at the center of the funnel is high.

b. air around the edges of the funnel is cold.

c. the air sucked into the funnel expands and cools.

d. the air suced into the funnel contracts and heats.

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

a. local winds

b. trade winds

c. polar winds

d. jet streams

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

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

when the moon is closest to earth it is

a. at apogee

b. at perigee

c. waning

d. waxing

Answer 1

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