Is the distance a baseball travels in the air after being hit distance a baseball travels in the air after being hit a discrete random variable, a continuous random variable, or not a random variable?

Continuous random variable

Explanation:

The distance that baseball travels after being hit is a random variable and it assume any real value defined on the sample space.

The distance is measurable and thus is continuous random variable because continuous variable cannot be counted but could be measured.

frequency or wavelenth of em radiation in a vacuum

the answer would most likely be c, because if it's a comical piece of information, it may likely not be true, if it's a site that allows anybody to edit the content, it could mean a five year old is typing the info, and if it's a tv show produced by a celeb, it may have a biased opinion.