There are several differences between<span> a </span>physical and chemical change<span> in matter or substances. A </span>physical change<span> in a substance doesn't </span>change<span> what the substance is. In a </span>chemical change<span> where there is a </span>chemical<span> reaction, a new substance is formed and energy is either given off or absorbed.</span>
Answer:
negative
Explanation:
When something slows down, its acceleration is the opposite of the velocity.
Answer:
I believe that it is a negative correlation
They are in order according to their atomic number, so the position should tell you the atomic number.
