The sun keeps all of the planets orbiting it because

1.the law of universal gravitation states that an increase in mass causes an increase in gravitational force

2.the law of ellipses states that the planets orbit the sun in circular patterns

3.the law of harmonies states that the motion of the planets will not stop unless an outside force is applied

4.the law of equal areas states that planets sweep equal areas in equal periods of time around the sun

Vegetation that grows along the floors of tropical and temperate forests is called undergrowth. how is the undergrowth of a tropical rain forest most likely to differ from the undergrowth of a temperate forest? a. a tropical rain forest's undergrowth most likely experiences periods of dormancy during colder weather. b. a tropical rain forest's undergrowth most likely experiences periods of dormancy during rainy weather. c. the undergrowth of a tropical rain forest most likely requires less sunlight. d. the undergrowth of a tropical rain forest most likely requires more sunlight.

Aresident is five feet tall.what is the measurements in iches

Which statement describes the punctuated equilibrium theory?