4. If the ozone layer breaks down: * OA) more infrared radiation enters the atmosphere.
B) more Ultra violet (UV) radiation reaches Earth's surface, causing sunburns and skin
cancer
C) More x-rays reach Earth, causing radio interference.
D) more gamma rays reach Earth's surface.

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Astone dropped into a well is heard to strike the water after 8seconds. find the depth of the well if the velocity of sound is 350m/s

Select the correct answer. anna will wear a black dress when she attends het cousin's wedding. which color(s) does the dress absorb? a. all colors b. no colors c. red and green d. white

A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocket’s acceleration during the first 16-s? b. what is the rocket’s speed as it passes through a cloud 5100-m above the ground?