Water at 4 degrees centigrade has the highest density of all other water temperatures. This is why ice (whose temperature is below 0 degrees) floats on very cold water. This phenomenon is significant in the Artic and Antarctic where ice shelves float on cold ocean waters in the poles. Animals that live in these regions (such as seals and polar bears) use these ice shelves as hunting platforms.
Explanation:
Answer is 2
It is a nonselective process, so it might cause an allele to disappear from the gene pool by chance.
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Oil and water separate because they have different densities.
the area of the square is: 100
the area of the circle is: 78.5
i THINK if you subtract it, it will be 21.5
Answer:
No, The respiratory system does not work alone in transporting oxygen through the body. The respiratory system works directly with the circulatory system to provide oxygen to the body. Oxygen taken in from the respiratory system moves into blood vessels that then circulate oxygen-rich blood to tissues and cells.
Explanation:
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