the correct answers are People depend on the atmosphere for the air they breathe. It screens out the sun's ultraviolet rays. Warm air has more moisture content than cool air.
Answer: D. changes direction
Explanation: A lens works by refraction: it bends light rays as they pass through it so they change direction.
Hope this helps
Answer:
2.62 years
Explanation:
The half life of a material is the time taken for half of the number of radioactive atoms in a radioactive material to remain.
If a radioactive material is cut into pieces, each piece has the same half life as the whole material.
Hence, if Strontium-147 is cut into pieces, each piece will have a half life of 2.62 years, just as the whole material.
i think it is closer to the sun than the north and south poles