Gravity is pulling everything down . Without it, we all would be floating.
Newton's 2nd law of motion:
F = ma
F is force, m is mass, and a is acceleration.
Speed is the distance traveled
time
but velocity is the change in distance
time
Answer:Water is easily evaporated, and oil and grease will not evaporate.
Explanation:
"b. The nucleus is made of
protons and neutrons and has a positive charge" is the only option that is true about the atomic nucleus. The protons give it a positive charge.
