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.
Meiosis<span> has </span>two<span> rounds of genetic separation and cellular division while </span>mitosis<span>only has one of each. In </span>meiosis<span> homologous chromosomes separate leading to daughter cells that are not genetically identical. In </span>mitosis<span> the daughter cells are identical to the parent as well as to each other.</span>
B. As it improves, resting blood pressure increases. As it improves the resting blood pressure should decrease