Answer:
to keep the environment,animals and humans healthy and not rotten
Answer: People use rivers for transporting goods and services, irrigation, and fish farming.
people misuse rivers by throwing there trash in the river or nearby and the wind carries it to the river. also factories that are close to a river will often dump the waste products of whatever they are manufacturing, this can include oils, trash, metals... etc. and boats that travel to import or export pollute the water from there engine(s).
Explanation: there are many uses for rivers but a lot of them have to include extra steps to counteract the negative outputs of pollution.
Answer:
e. is produced by the absorption of UV radiation.
Explanation:
The thermosphere is a layer of Earth's atmosphere which is directly above the mesosphere and below the exosphere. It extends from about 85 to 500 km altitude above the earth.
In the thermosphere, the temperature is strongly dependent on the level of solar activity. When the Sun is very active and emitting more high energy radiation, the thermosphere becomes hotter by X-ray and UV radiation absorption.