The following symbols show the wind speed and direction for West Palm Beach, FL, from 8:00 a. m. to 12:00 p. m. Which choice correctly states how the winds changed over the four-hour period?

a) the wind increased in speed in the same direction

b) the wind decreased in speed and changed direction

c) the wind increased in speed and changed direction

d) the wind decreased in speed in the same direction

Humans are believed to have evolved in coastal regions in east africa. the region had an abundant supply of fish for early humanoids to eat. when scientists analyze the fads gene they see an interesting pattern. people whose families have lived in this area of east africa for generation show a high level of diversity in alleles for the fads gene. conversely, people whose families had migrated inland a moderate distance from sources of fish showed a much lower diversity for fads gene alleles. additionally, the fads alleles found in people whose family has lived inland for generation are almost all gene alleles which produce fads proteins with a high level of function and activity. how do anthropologists explain this?

The response is the basis for vaccination. primary secondary tertiary none of the above

When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles which component of blood ensures that the muscles will receive it