The Mid-Atlantic Ridge is the mid-ocean ridge that runs down the center of the Atlantic Ocean. The Atlantic Ocean is between
3000 and 7000 km across and continues to grow. What is a way
that you could estimate when rifting began to form the Atlantic
Ocean basin?

analyze the map below and answer the question that follows.

what does the map above tell us about the endemity of typhoid fever?

a.

there is greater occurrence of the disease in the western hemisphere.

b.

there is greater occurance of the disease in the northern hemisphere.

c.

countries located in equatorial regions are more likely to have incidents of typhoid fever.

d.

typhoid fever is more rampant among caucasian populations.