Answer:
Chemical reactions are represented on paper by chemical equations. For example, hydrogen gas (H2) can react (burn) with oxygen gas (O2) to form water (H20). The chemical equation for this reaction is written as: The '+' is read as 'reacts with' and the arrow '' means 'produces'.
Explanation:
hope this helps
Marble. This is because granite is of a different chemistry that is not nearly as vulnerable to acidic rain as marble.
Answer: A
Explanation: Lexy is correct because angle R is between the incident wave, n = 0, and a diffracted wave.
Since they're going in the same direction, just add the velocities together.
7.3 m/s + 0.34 m/s = 7.64m/s
