The layer of the atmosphere where many airplanes fly to avoid thunderstorms and other turbulence is called

Answer;

Stratosphere

Explanation;

-The stratosphere is a layer of Earth's atmosphere. It is the second layer of the atmosphere as you go upward. It is a layer of Earth's atmosphere lying between the troposphere and the mesosphere.

-This is the next layer above the troposphere. Because weather occurs much lower in the atmosphere, planes often rise into the stratosphere to avoid thunderstorms and turbulence. The ozone layer, which protects us from harmful UV radiation, is found in the stratosphere. Pollutants such as CFCs can destroy our ozone layer, creating a hole in it and increasing rates of skin cancer and other cancers worldwide.

answer; /// i believe the correct answer is (reactants);

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.