Which of the following diseases is caused by a virus?
a. common cold
b. athlete’s foot
c. african sleeping sickness
d. tuberculosis

How many years would it take the atlantic ocean to grow 500 centimeters? show your work.

Study the picture of the ocean. which is the best example of an organism’s niche shown in the picture? a. the environment contains several of the same species of coral. b. the shallow area of the ocean meets the needs of the coral and the fish. c. the ocean has fish and coral that live in the same area. d. the coral take in food from the water and provide shelter for the fish.

Apuppy’s tendency to chew is inherited through which of the following? a. through learned behavior b.through genes c. through seasonal cycles d. through hibernation