The troposphere is the atmospheric layer closest to the planet and contains the largest percentage (around 80%) of the mass of the total atmosphere.
I'm thinking the answer is Carbohydrate. So the answer would be option A.
Out of the chooses given, the best description between evolution and natural selection is that natural selection leads to evolution. The correct answer is A.
Answer: Option A
Explanation:
The Antarctic region needs government facilities in order to see the impact of Antarctic region on the environment or to see the effect of changing environment on the Antarctic.
The effect of global warming was first encountered in this region only. The temperature there is very cold and is not suitable for living.
There is no living population but there is a need of government to inspect the region and solve the problems associated with this place.
Answer:
Hmm.
Explanation:
<em>'Many geologists believe that as the Earth cooled the heavier, denser materials sank to the center and the lighter materials rose to the top. Because of this, the crust is made of the lightest materials (rock- basalts and granites) and the core consists of heavy metals (nickel and iron).'</em>