When a car drives down a street, what energy conversions are happening? a. the kinetic energy of the gasoline is converted to heat and the kinetic energy of the car. b. the stored energy of the gasoline is converted to the potential energy of the car. c. the potential energy of the gasoline is converted to heat and kinetic energy. d. the kinetic energy of the gasoline is converted to heat?

The observations of hooke and van leeuwenhoek documenting the existence of microscopic cells formed the basis of what important theory? a. the cell theory stating that all living things are composed of cellsb. the theory of spontaneous generation, which held that life forms could arise spontaneouslyc. the theory of chemotherapy, or use of antimicrobials to destroy pathogenic organismsd. the germ theory of disease and causative agents

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs

Which describes the changes in the earths motion?