Answer:
Human subject research is systematic, scientific investigation that can be either interventional (a "trial") or observational (no "test and Human subject research can be either medical (clinical) research or non-medical (e.g., social science) research.
Answer: 2, They measure how rich in nutrients a food is.
Explanation: Just by process of emimination, I know that "heat a food can supply" has nothing to do with calories.
Answer:
Anticoagulants
Explanation:
They are used to treat and prevent blood clots that may occur in your blood vessels.
Answer:
There are three stages of perception: selection, organization, and interpretation. In selection, the first stage, we choose stimuli that attract our attention. We focus on the ones that stand out to our senses (sight, sound, smell, taste, and touch).
Example: A person identifying anything in the car ir on the road that might affect their safety.
(Hope I helped) :D