Hydrogen gas and oxygen gas react to form liquid hydrogen peroxide. Which statement is true about the reaction? A.
The same atoms are present, so the chemical properties remain the same.
B.
The product that is formed has the same physical properties as the reactants.
C.
The two gases mix together, but a new substance does not form.
D.
The atoms of the reactants combine to form a new substance.

Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.