The answer is : Thermosphere. At this point the homosphere (troposphere, stratosphere and mesosphere) ends at about 80 km from the surface, gas molecules<span> are here</span>bombarded<span> by X-</span>rays from the sun<span> and subsequently form the ionosphere.
Hope this helps! :)</span>
B, because the mitochondria is the power house of the cell meaning it’s where the energy is made in a cell.
scientists can test differences of the area with pigmentation by observing which is lighter and which is darker however they use microscope to look the difference of the pigmentation over the cells.
True. Definition of gastric juice: a thin, clear, virtually colorless acidic fluid secreted by the stomach glands and active in promoting digestion.
<span>helicase<span>DNA helicase is the enzyme that unwinds the DNA double helix by breaking the hydrogen bonds down the center of the strand. It begins at a site called the origin of replication, and it creates a replication fork by separating the two sides of the parental DNA.<em /></span></span>
