How are a moon and an asteroid different? (2 points) a
A moon revolves around an asteroid, while an asteroid rotates around its axis.

b
A moon revolves around a planet, while an asteroid revolves around a star.

c
A moon revolves around a star, while an asteroid rotates around its axis.

d
A moon rotates around its axis, while an asteroid revolves around a planet.

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d

State one important difference between a physical change and a chemical change?

Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. in the first step, nitrogen and hydrogen react to form ammonia: (g) (g) (g) in the second step, ammonia and oxygen react to form nitric acid and water: (g) (g) (g) (g) calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. round your answer to the nearest .