Galaxy is a collection of stars, gas, and dust bound together by gravity. The smallest galaxies may contain only a few hundred thousand stars, while the largest galaxies have thousands of billions of stars.
The answer is that the strength of heart contraction and
blood volume. It is affected by blood volume, stroke volumes, total peripheral
resistance, and HR. It has Increase in any of these will increase blood
pressure. Vasoconstriction of arterioles raises blood pressure upstream in the
arteries
<span>If a person has type B blood, only anti-A antibodies are present in his or her blood.</span>
<span>The answer is d. front. A front is the narrow region between two air masses of different densities. The interaction of the air masses cause the mass that is less dense to rise. Once air rises it cools and condenses to form clouds and eventually leads to precipitation. Using cold fronts as an example, the denser mass of cold air forces the lighter warm air to rise. </span>
Answer:
C.Fewer differences in the amino acid sequencing of a protein show a greater evolutionary relatedness.
Explanation:
Since there are less differences it indicates that they are more related.