The earth orbits the sun with the speed of about 3000m-¹ at a distance of 1.5×10¹¹m from the center of the sun. if the mass of the earth is 6.0×10²4 kg calculate the a. angular velocity
b. centripetal force

Viruses can cause the following, check all that apply. a. sore throat b. measles c. ear infection d. flu e. chicken pox

How could natural selection best be used to explain the evolution of the white fur of arctic fox

Scientists believe that differences in cause hot, plastic-like rock in the asthenosphere to rise toward earth's surface. a. density c. weight b. magnetism d. composition select the best answer from the choices provided