Instructions: Choose one answer from each pair of selections. Halos are sometimes observed in thin, sheetlike, high clouds, composed of WATER | ICE particles
ICE
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Which of the following types of flow moves the slowest?
A) fall B) avalanche C) slide D) creep
Sodium bicarbonate has sodium, hydrogen, carbon and oxygen atoms in the ratio 1:1:1:3. What is the correct formula for sodium bicarbonate?
A) NaBiCO3 B) NaHCO3 C) SoHCO3 D) none of these
One theory of cloud electrification states that during the formation of precipitation, regions of separate charge exist within tiny cloud droplets and larger precipitation particles. In the lower part of these particles we find negative charge, while in the upper part we find positive charge
a. True b. False
Which of the following regions was not part of the large Southern Hemisphere continent of Gondwana?
A. Antarctica B. North America C. Africa D. Sount America E. India