This is a statement that a particular event will occur, based on reasonable observations of prior events.

A law.

Explanation:

Science laws are statements that will happen because they are generalisation of experiments that are applied to real contexts.

This begins as a theory, and when is supported with evidence and patterns, it's upgrade as Law, like Newton's laws for example.

Is it a hypothesis?

The independent variable is the type of music.the dependent variable is the pulse rate.the intervening variable is the age of the subject.if the mother does not like rock, her pulse is likely to not increase.the same might be true for the sister.the friend may like rap and gets excited.to establish cause/effect relationship, all of the subjects must be consistent.hope i .

The answer is true a geyser can reach up to 205 degrees fahrenheit