Dr. Semmelweis, a physician from Austria, wanted to locate the cause of childbed fever in his maternity wards. He suggested that the doctors in the hospital were
transferring a disease-causing substance to the pregnant mothers because they were
not washing their hands. His suggestion was a:
observation
hypothesis
theory
controlled experiment

Hypothesis

Explanation:

A hypothesis is an educated guess, based on evidence provided by the initial question the scientist had. I hope I helped you:)

explanation:

plz give me the characteristics.

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u