4. "Tropical" is the one among the following choices given in the question that is the<span> predominant climate of South America. The correct option among all the options given is the fourth option.
5. "Albatross" is the one bird species among the following that </span><span>is found almost exclusively in the Southern Hemisphere. The correct option among all the options given is the third option.</span>
The main mechanism through which the layering happened is gravity: it pulled the heavier, denser material to the center, leaving the less dense material on the surface.
The material that was on the outside cooled quicker, but this was the result, not the cause.
The answer is
<span>2) Gravity caused more-dense material to move toward the center of each planet.</span>
The answer to the question is, <span>Principle of uniformity
The principle of uniformity, otherwise known as </span>Uniformitarianism, is a doctrine or principle in geology which posits that <span>the geologic processes of the Earth acted in the same manner and that these natural processes occur with essentially the same intensity in the past as they do in the present. According to this principle, such </span>uniformity<span> is sufficient to account for all geologic change.</span>
Houston itself is the city
