The most common way for air to be cooled in order that a cloud may form is by:
A) rising and expanding.
B) sinking and contracting.
C) emitting radiation.
D) reflecting radiation.
E) evaporating water.
A
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Divide into groups. On a base map of the Russian domain, have each group suggest possible political boundaries 20 years from now. Then share and discuss results
What will be an ideal response?
Which of the following is the correct name for the first commercially important synthetic polyamide?
A) nylon-6 B) nylon-66 C) nylon-6,10 D) nylon-10,6
Allergens are substances that
A. Repress the immune system B. Prevent oxygen uptake C. Stimulate the nervous system D. Interfere with oxygen uptake E. Activate the immune system
Earthquakes occur at subduction zones, but volcanoes do not because the subducted lithosphere is pushed deep into the mantle.
Answer the following statement true (T) or false (F)