<span>1. Pose significant questions that can be investigated empirically.
2. Link research to relevant theory.
3. Use methods that permit direct investigation of the question.
4. The methods used to obtain data and test hypotheses should be benevolent and not malevolent.</span>
Answer:
The answer is A.
Explanation:
It can be regulated with negative feedback loops.
Answer:
1.
Explanation:
Atomic mass is protons+neutrons. Atomic number is just protons.
