Because it's less dense than liquid water.
Answer:
Friction
Explanation:
The basic definition of Friction is as follows: The force that resists the sliding or rolling of one solid object over another, also, the force that resists relative motion between two bodies in contact
This implies that there is direct contact interfering with the motion of one or more objects.
Answer:
Explanation:
Typically, after there are enough signatories, the resulting letter may be delivered to the subject of the petition, usually via e-mail. The online petition may also deliver an email to the target of the petition each time the petition is signed.