Somalia’s government experienced instability because of repeated Coup d'etats in 1969, 1991, and 2004
Carbon sinks <u>emit more</u> carbon than they take in is not <u>true</u>.
<h3>What are carbon sinks? </h3>
A carbon sink is said as a reservoir either <em>natural </em>or otherwise that has abundant storage of carbon-containing <u>chemical compounds</u>. This has been accumulated over an <u>indefinite time period</u> which results in lowering the concentration of carbon dioxide from the atmosphere.
Therefore, the most common carbon sinks are present in vegetation and the ocean.
Learn more about carbon sinks here:
brainly.com/question/1040499
Ozone layer depletion was not noticed until 1979, while CFC’s have been around since 1920s because CFCs take time to enter the stratosphere and remain there for at least 60 years after their initial release.
Option: A
Explanation:
Ozone layer is found in stratosphere. Ozone plays a dual role in the environment. When it is in the ground surface zone it is a harmful gas but when its in the atmosphere it is a life saving layer which absorbs UV rays and protect human beings and animals from the harmful affect of poisonous gases.
Though ozone layer started depleting from 1920. But it came into notice from 1979 as CFCs take time to enter the stratosphere and remain there for at least 60 years after their initial release.
Answer:
boating, canoeingand kayaking