Which of the following is TRUE regarding cirrostratus clouds?
A) They are sharply outlined, and billowy.
B) The Sun's outline is just visible through these clouds.
C) They form a veil of ice crystals that creates a halo around the Moon or Sun.
D) They are uniform, featureless, and grey like high fog.
Question 2
Which of the following is NOT correct regarding nitrogen?
A) The atmosphere contains about 78 nitrogen,
B) Bacterial action is key to the nitrogen cycle.
C) Nitrogen is very important to organisms.
D) Atmospheric nitrogen is accessible directly to most organisms.
TrUe....FaLsE
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