Why would a decrease in the amount of ozone in the atmosphere increase the likelihood of people getting sunburn?
a. Global temperatures would rise
b. More ultraviolet radiation would reach the ground
c. People would be exposed to more infrared radiation
d. The premise is incorrect. Ozone and sunburn are not related
b
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Double-pane windows contain nitrogen rather than air to prevent
A) gas escape. B) thermal conduction. C) condensation. D) heat flow.
To recharge a 12-V battery, a battery charger must move 3.6 × 105 C of charge from the negative to the positive terminal. What amount of work is done by the battery charger? How many kilowatt hours is this?
What will be an ideal response?
The point P lies along the perpendicular bisector of the line connecting two long straight wires S and T perpendicular to the page. A set of directions A through H is shown next to the diagram. When the two equal currents in the wires are directed into the page, the direction of the magnetic field at P is closest to the direction of
a.
A
b.
B.
c.
C.
d.
D.
e.
E.
Warm, moist air blowing over cold water can result in
A) adiabatic cooling. B) a dry adiabatic rate. C) fog. D) orographic lifting.