for a comparative or experimental investigation, scientists often make a testable about a scientific…

for a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. control hypothesis procedure system

for a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. control hypothesis procedure system

Answer

Answer:

hypothesis

Brief Explanation:

In scientific investigations, a hypothesis is a testable prediction about a scientific question. Scientists formulate hypotheses to be tested in comparative or experimental studies.