Answer:
A.
Explanation:
because it studies the key word Astro which means astrophysics which is stars good luck
The Marcellus Shale also categorized as the Marcellus formation is a marine sedimentary rock unit of middle Devonian age found in eastern North America. It elongates throughout the major of the Appalachian Basin.
The shale comprises huge unexploited reserves of natural gas, which makes it an attractive target for export and energy development. There are comparatively scarce presences of fossilized marine fauna found in the Marcellus, however, these fossils are still essential to paleontology.
For example, the Marcellus comprises the primogenital known varied assemblage of thin-shelled mollusks, still possessing well-preserved shell microcomposition. It is also where goniatite, an extinct shelled swimmer identical to a squid, make their initial presence in the fossil record.
A person who has a recessive trait must have two<span> recessive alleles because - A dominant allele does not let a recessive trait show up, in other words it simply dominates and… over shadows the recessive trait.</span>
<span>Less genetic variation than if the organism reproduced sexually. Asexual reproduction is kind of like cloning, the reproductions are copies of the organism.
:))</span>
Nitrogen Containing Base. It can be either Adenine, Guanine, Thymine, Cytosine, Uracil
