<span>The bottleneck effect is the cause of the sudden shift in the genetic information of the population. Due to the landslide, suddenly high number of the members of the main population died, and this caused genetic drift for reducing the variation in the existing generation, which is now widely different from the original one.</span><span />
here is your ans.........
Answer:
Fossils found in lower rock layers are older than fossils found in upper layers.
Explanation:
because they are further away from the earth surface
Answer:
The cohesive forces between liquid molecules are responsible for the phenomenon known as surface tension. The molecules at the surface do not have other like molecules on all sides of them and consequently they cohere more strongly to those directly associated with them on the surface.
The best and most correct answer among the choices provided by your question is the third choice or letter C. Fossil fuel came from organic materials like plants and animals.
Where do fossil fuels come<span> from? You may be surprised to know that oil and natural gas are produced from dead animals that lived millions of years ago, 570 million years ago to be exact. Back then, in what scientists call the Paleozoic Era, New Mexico wasn't anything like it is today. It was under the ocean!
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