Question 1:Which statement best describes heating by radiation? a Air at the equator rises and sinks at the poles.

b Warm air rises and takes heat with it; eventually it cools and sinks.

c Air molecules touch the warm ground, heating them up.

d Sunlight travels through space without the aid of fluids or solids

Which contributions did galileo make to the model of the solar system? check all that apply. a mathematical model for the orbits of the planets scientifically accurate data on planetary orbits data that showed that planets reflected sunlight similar to earth's moon up the idea that stars are other suns that do not move u observations of the moons of jupiter rotating around the gas giant