When the reactants are heated, the average kinetic energy of the molecules increases. This means that more molecules are moving faster and hitting each other with more energy. If more molecules hit each other with enough energy to react, then the rate of the reaction increases.
<h2>Hello</h2>
The answer is:

<h2>Why?</h2>
Momentum is the quantity of movement of an object, and it's calculated using the mass and the velocity of the object. Momentum is expressed by the following formula:

Where:

So, calculating we have:

Remember,

Have a nice day!
Answer:
I think the answer is B I hope this helps also Im sorry If I'm wrong