Because at night there is no clouds in the sky to be cool but during the day there are clouds which give us cool air
Answer: A. It is needed to support an aerobic metablism
Explanation:
All living organisms require oxygen for anaerobic metabolism. The oxygen taken in during cellular respiration is needed to breakdown sugar to generate energy in living organisms and this necessary for the advancement of life.
<span>The
building blocks of protein are amino acids. Amino acids produced by the cells
are synthesized in order to produce proteins. Vitamin B9(Folate) and Vitamin
B12(Cobalamin) are the two B-vitamins needed in amino acid synthesis. These
can be taken through dietary supplements.</span>
The simplest optical microscope<span> is the magnifying glass and is good to about ten times (10X) magnification. The compound </span>microscope<span> has two systems of lenses for greater magnification, 1) the ocular, or eyepiece lens that one looks into and 2) the objective lens, or the lens closest to the object.</span>
Answer:
the Sympatric speciation is the evolution of a new species from a surviving ancestral species while both continue to inhabit the same geographic region
