A neutrally-charged atom that becomes a positively-charged atom of the same element can be called
a(n):
a. positron.
b. neutron.
c. ion.
d. isotope.
e. none of the above
C
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The Humid Subtropical climates (Cfa)
A) have a pronounced dry season during the summer. B) have a pronounced dry season during the winter. C) are wet year-round and are generally located on the east side of continents. D) are wet year-round and are generally located on the west side of continents.
The three major types of plate boundaries are ____________________, ____________________, and
____________________. What will be an ideal response?
Seamount is a submarine mountain that forms above:
a. middle-ocean ridge b. submarine transform faults c. black holes d. submarine canyon e. hot spots
How can agriculture be responsible for increasing the amount of methane in the atmosphere?
A) Crops like corn and soybeans add methane to the atmosphere B) Methane is emitted by bacteria in the gut of agricultural animals, such as cattle and sheep C) Overtilling the land will cause the soil to break down and release greenhouse gases D) Fumes from liquid fertilizer are opening holes in the ozone