You can use process of elimination here. The atmosphere is a key component for the air we breathe. The atmosphere protects us from harmful objects and rays. Finally, warm air has more moisture in it than cool air (for example why generally hot places are so humid).
It would be all of the above.
Answer:
There is a big public park near a manufacturing factory that emits harmful gases, where his children can play.
Explanation:
It's pretty self explanatory. Harmful gases are harmful. The children are in serious danger by playing in that park and inhaling these gases from the factory.
The correct answer is (c.) outer. The moon's average density is about the as the outer layer of the Earth. The average density of moon is about 3.34 g/cm<span>3 and the earth's outermost layer is almost similar to it. </span>
