Who created the modern model of the solar system by discovering that the plantes move in elipses?

a. galileo

c. ptolemy

b. kepler

d. copernicus

The transport tubes from food came down the plant are called?

Which of these would most likely be a stimulus that would cause the body to initiate feedback mechanisms a.) normal body temperature in an arctic environment b.) normal boy temperature in a tropical environment c.)light physical activity d.)low blood sugar

Autonomous underwater explorers will be used to gather large-scale ocean information select the best answer from the choices provided ot