(D)an atom can join with other kinds of atoms.
Basically he explained what a molecule is.
Answer:
It will be C( Magnesium absorbs red and blue light but reflects green light)
An object in motion needs less force
to continue moving because the inertia or the resistance to change in motion
was already overcome and the sliding friction that opposes a moving object is
also lesser. Therefore, <span>it is easier to
move an object at constant velocity as you only need to overcome the resisting
forces of the object.</span>
