Answer:
Pallor is caused by vasoconstriction of the dermal blood vessels
Explanation:
Pallor is paleness or wanness usually caused by vasoconstriction of the dermal blood vessels.
In other words. A deficiency in the color of the face.
Yes it is ok now you know
Answer:
It is A Mutagen
Explanation:
Mutagen among the following best describes the relationship of solar radiation to the environment. The UV radiations are radiations having very high energy and it acts as a mutation causing agent.
The correct answer is Oxygen.
The surface of the Earth was liquefied. As the Earth cooled, an atmosphere generated primarily from gases erupted from volcanoes. It constituted methane, hydrogen sulfide, and ten to 200 times as much as carbon dioxide in comparison to today's atmosphere.
It was considered that there was an extreme volcanic activity for the initial billion years of the existence of the Earth. The initial atmosphere was possibly majority carbon dioxide will no or little concentration of oxygen. There were slight quantities of ammonia, water vapor, and methane.
Environmentalists are hoping to protect
<span>endangered organisms by calling for a reduction
in the use of pesticides, because loss of these
organisms would</span> <span>(3) reduce biodiversity in various ecosystems.</span>
