SCIENCEY QUIZ 18 chapter 7, pp. 196-205 Flashcards
1
Q
can ‘‘bounce’’ certain types of radio waves
A
ionosphere
2
Q
the ‘‘weather layer’’ of the atmosphere
A
troposphere
3
Q
the outermost layer of the atmosphere
A
exosphere
4
Q
the part of the atmosphere with an unchanging mixture of gases
A
homosphere
5
Q
the region of the earth’s magnetic field that is influenced by the solar wind
A
magnetosphere
6
Q
the least-understood layer of the atmosphere
A
mesosphere
7
Q
The most dangerous form of ultraviolet radiation is ___
A
UVC
8
Q
The most abundant gas in the lower atmosphere is ____
A
nitrogen
9
Q
The part of the stratosphere that protects the earth from the sun’s harmful ultraviolet radiation is the _____
A
ozone layer
10
Q
The coldest point in the atmosphere is the _____
A
mesopause
