Which of the following is a unit of measurement in the metric system?
a. pound
b. gram
c. mile
d. fahrenheit

What causes an unsaturated fatty acid to have a different shape than a saturated fatty acid? o a. unsaturated fatty acids have more hydrogen atoms. o b. unsaturated fatty acids have double carbon bonds. o c. unsaturated fatty acids have more nitrogen atoms. o d. unsaturated fatty acids have single carbon bonds.

Aboy with an extra x chromosome probably has which of the following syndromes?

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?