The presence of iron in a soil may give it a yellow or red color from iron oxides.
Answer the following statement true (T) or false (F)
True
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The area near the equator where the three-cell model of the northern hemisphere interfaces with the three-cell model of the southern hemisphere is called the:
A) ITCZ (Inter Tropical Convergence Zone). B) heat equator. C) doldrums. D) all of the above
The Curie point is ____
A)where Earth's magnetic poles reverse B)the temperature at which iron-bearing minerals gain their magnetization C)the point at which remnant magnetism is equal to gravity D)where heat escapes from Earth's crust E)the north magnetic pole
Mesoscale circulations have a(n) ____________________ (longer/shorter) duration than microscale circulations
Fill in the blank with correct word.
In addition to a carboxylate group, mevalonate contains two hydroxyl groups. Which of the following is true of these groups?
A) They are both primary. B) One is primary and one is secondary. C) One is primary and one is tertiary. D) They are both secondary.