Answer: A HYPOTHESIS
Explanation: Hypothesis is stern used in experimental process to refer to the tentative suggestions or analysis which acts as the building blocks of an experiment. Hypothesis is needed in experiments because it aids the quick delivery of results and gives the foundation which is the possible options upon which the scientist or researcher can base his or her work hypothesis can be described into the following
Simple Hypothesis.
Complex Hypothesis.
Research Hypothesis.
Null Hypothesis.
Alternative Hypothesis.
Logical Hypothesis.
Statistical Hypothesis.