Answer:
because if it was with ourselves, we would like people to have empathy with us too
Explanation:
The answer is D. because it has the widest variety.
This one might get taken down by brainly for "plagiarism"<span />
Explanation:
Each hemoglobin molecule is made up of four heme groups surrounding a globin group, forming a tetrahedral structure. ... There are four iron atoms in each molecule of hemoglobin, which accordingly can bind four atoms of oxygen. Globin consists of two linked pairs of polypeptide chains.
Answer: Creative Problem Solving
Explanation:
