Which blood vessel returns blood to the left atrium?
a. aorta
b. left and right pulmonary arteries
c. superior and inferior vena cava
d. left and right pulmonary veins

“in 1492 columbus sailed the ocean blue” is an example of: a)explicit memory b) procedural memory c) semantic memory d)episodic memory

Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above

Which of the follow describes a disadvantage secondary sources have compared to primary sources?