Author Question: Today, more than 50 of the U.S. importation of oil comes from A) Saudi Arabia. B) Afghanistan ... (Read 72 times)

NClaborn · **on:** Jul 16, 2018

Today, more than 50 of the U.S. importation of oil comes from

A) Saudi Arabia.
B) Afghanistan and Iraq.
C) the Western Hemisphere, especially Canada.
D) China.

Question 2

Adaptations of emperor penguins to their Antarctic environment include

A) being the only known cold-blooded birds.
B) cooperation between males and females in providing warmth for incubating eggs.
C) periodic migration to warmer climates in South America.
D) loss of feathers to provide more area for fat storage.