Most likely it would be C not completely sure
Because the charges of static electricity and the eons coming from your hair pull together to make the balloon stick
Maybe it is, maybe it isn't. We can't tell, until we see what "this" is.
Show us a drawing, an equation, an expression, a statement ... something !
<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!