Weegy: Lightning heats the surrounding air to: 30,000 C.
User:
What gives the gem amethyst its purplish color?
A. Iron
B. Quartz
C. Oxygen
D. Titanium
Weegy: Iron gives the gem amethyst its purplish color.
User:
The principle stating that the oldest rocks occur on the bottom of an undisturbed rock sequence is known as
A. relative age dating.
B. original juxtaposition.
C. original parallelism.
D. superposition.
Weegy: The principle that states the undisturbed rock sequence has the oldest rocks on the bottom is known as superposition.
User:
An extended period when temperatures are well below average is known as a/an
A. draft.
B. drought.
C. ice age.
D. cold wave.
Weegy: An extended period when temperatures are well below average is known as a a cold wave.
User:
The albedo of the Moon is _______ that of the Earth.
A. less than
B. overpowered by
C. the same as
D. more than
Weegy: The albedo of the Moon is less than that of the Earth.
User:
What type of instrument measures seismic waves?
A. Seismometer
B. Seismogram
C. Seismic scale
D. Mercalli scale
Weegy: SEISMOMETER is an instrument that measures seismic waves.
User:
_______ is a force of attraction that occurs between objects due to their mass.
A. Magnetism
B. Gravity
C. Weight
D. Deposition
Weegy: Gravity is a force of attraction that occurs between objects due to their mass.
User:
The highest point of a wave is called the
A. wavelength.
B. crest.
C. height.
D. trough
Weegy: The highest point of a wave is called the CREST.
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