If the Sun suddenly lost all of its gravity, which statement would best describe how the planets would move? a
The planets would stop moving.
b
The planets would all collide into each other.
c
The planets would travel in a straight line.
d
The planets would continue moving in a circular path.

When the water vapor cools it condenses select a number that represents his process on the

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate → enzyme-substrate complex (b) enzyme + substrate ←−→ enzyme + products (c) enzyme + substrate ←−→ enzyme-substrate complex → enzyme + products (d) enzyme + substrate ←−→ enzyme-substrate complex → enzyme-substrate complex + products