Answer:
option a
Explanation:
because When hydrogen is used to power a fuel cell, the only byproducts are water and heat—no pollutants or greenhouse gases are produced.
Mitochondrial DNA can be traced for generations. It is because of the fact that unlike nuclear DNA, mitochondrial DNA rarely gets mutated. The frequency of mutations in the mitochondrial DNA is approximately one every 3,500 years per nucleotide. That is why mitochondrial DNA of a person is almost similar to his/her direct maternal ancestor. So, it can be used to match lineages amongst people.
Answer: Both share common ancestry
Explanation:
Though both cats are of different groups, the presence of an ananatomical similarity - short, stubby tails - suggest strongly that they share a common ancestry i.e evolved from the same organism who had lived many years before, and possess short, stubby tails alongside other traits no longer shared by both bobcat and Manx cat
If not parents had a recessive type O allele, they would have a 1/4 or 25% chance of having a child with type O blood
The answer is actually true, because its a tiny spot in the center of the retina that contains only cones.
