C. Clouds
Explanation - The solar radiation is absorbed by the earth that keeps the atmosphere or the environment of the planet warm. Clouds do not absorb, rather reflects the solar radiation thereby keeping the earth's surface cool.
Thin clouds allows the transmission of the incoming solar radiation towards the earth. Sweater is not involved in maintaining the temperature of the earth. It just keeps our body warm by absorbing solar radiation. Mountains also absorbs solar radiation and helps the plants to grow and animals to live.
Contamination and poorly practiced fishing
The correct answer is mouth of a river
That's where the river slows down and particles start sedimenting. When the sediment is huge, deltas are formed.
I believe the correct word to fill in blanks would be "increases". Aerobic training <span>increases the </span>size<span> and increases </span>the number of mitochondria in cells. It is a training that <span>requires pumping of oxygenated blood by the heart to deliver oxygen to working muscles. Hope this answers the question.</span>
<span><span />Niche is like a profession because everybody in
our world performs a different job. Niche is somewhat defines like what you do,
how you do it, where you do it and when you do it.In ecology, a niche is a term
about the relational position of every species like dolphin. In where dolphin
can potentially be in another ecological niche by travelling from one place to
another. Profession are something like finding your specialty, your place and
your niche in the world.</span>
