B.
H in HF is slightly positive while O in H2O is slightly negative. So they attract in a polar bond. Btw I thought this is chemistry.
Hypothesis- introduced evolution before Darwin, two big theories; use or disuse and acquired characteristics
Answer:
Hypothesis
Explanation:
Since the problem of the research has been already defined, the next step is to formulate a hypothesis.
This is a clear statement highlighting the main idea or purpose of the scientific research. In this case our hypothesis could be:
The way in which information is presented affects student interest and memory of the material.
