Answer:
<h2>C</h2><h3 />
Explanation:
<em>medical</em><em> </em><em> </em><em>personnel</em><em> </em><em>often</em><em> </em><em> </em><em>became</em><em> </em><em>ill</em><em> </em><em> </em><em>as</em><em> </em><em>a</em><em> </em><em>result</em><em> </em><em>of</em><em> </em><em>exposure</em><em> </em><em>to</em><em> </em><em> </em><em>airborne</em><em> </em><em> </em><em>virus</em><em> </em><em>particles</em><em>. </em>
Hypothalamus is a part of the brain that links the nervous system to the endocrine system via the pituitary gland. It helps maintain the internal environment constant by regulating major processes in the body such as the heart rate and the body temperature. It is therefore, both a neural and endocrine organ.
Answer:
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure. ... DNA and histone proteins are packaged into structures called chromosomes.
In the given case, most probably the top layer is of oil.
As oil is not soluble in water, it will float on the top of the water surface, in the given case it is the beaker. The oil will always float on top of the water, as it is less dense in comparison to water. The water and oil do not mix as the molecules of water are more fascinated with each other than in comparison to the molecules of oil.
As water is polar and oil is nonpolar, their molecules are not attracted to each other.
The answer is B) ABE <span>∼</span> ADC
