![subject](/tpl/images/cats/biologiya.png)
Biology, 01.01.2020 00:31 sineguguhopengw1407
38)
is the distance from crest to crest in a sound wave.
a.) magnetic wave
b.) wavelength
c.) quasar
39)
doppler technology is used to predict the weather.
true
false
40)
this scientist suggested that at one time all of the continents were joined in one big piece. he named the single land mass pangea and called the process continental drift. select the correct answer.
a.) harry hess
b.) alfred wegener
c.) charles darwin
41)
the plates of the earth are supported by the mantle.
true
false
42)
the energy to move the earth’s plates comes from the crust.
true
false
43)
moving plates can form both mountains and valleys.
true
false
44) heat flow that involves particles touching one another is called:
a.) radiation
b.) conduction
c.) convection
d.) mechanics
e.) condensation
45) heat transfer that takes place as a result of currents in liquids and gases is called:
a.) radiation
b.) conduction
c.) convection
d.) mechanics
e.) condensation
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Answers: 1
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You know the right answer?
38)
is the distance from crest to crest in a sound wave.
a.) magnetic wave
...
is the distance from crest to crest in a sound wave.
a.) magnetic wave
...
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