If Earth's Oceans Were Fresh Water, Would Fluctuations in Global

question 79

Multiple Choice

If Earth's oceans were fresh water, would fluctuations in global temperatures be more or less pronounced?

• A)If the oceans were fresh water, fluctuations in global temperatures would be much more pronounced as can be witnessed by the melting of the polar ice caps to fresh water.
• B)If the oceans were fresh water, the oceans' specific heats would be greater and this would help towards moderating global temperatures.
• C)Fluctuations in global temperatures are not dependent on the ocean being salt water rather than fresh water.
• D)If the oceans were fresh water, both their densities and specific heats would decrease, thus having a more pronounced effect on fluctuations in global temperatures.

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Definitions:

Chorionic Villus Sampling

A prenatal test where a sample of chorionic villi is taken from the placenta for genetic testing.

Amniocentesis

A medical procedure used in prenatal diagnosis, involving the extraction of a small amount of amniotic fluid to test for chromosomal abnormalities and infections.

CVS

Chorionic Villus Sampling, a prenatal test that involves taking a sample of the chorionic villi from the placenta to test for chromosomal abnormalities.

Spontaneous Abortion

A medical term for a miscarriage, referring to the natural loss of a pregnancy before the fetus can survive outside the womb, typically before 20 weeks of gestation.