Click all the types of energy that is involved after a car fills with gasoline down the road.
chemical
solar
mechanical
nuclear

Bone-strengthening physical activity done increases bone-mineral content and bone density in youth.

Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?

If gases like carbon dioxide and methane make up less than 1% of the total atmosphere, why is it important for scientists to monitor changes in percentages of these gases?