I believe it is D, the reason being is because they form on their own, not from a living or dead organism. It can't be B because that is true, and the same for C. hope this helps, have an amazing day :)
Answer:
B
Explanation:
You wont need to go get antibiotics to treat a common cold, just use over the counter meds. Strep and tuberculosis are more contagious and powerful.
Answer; Disaccharide is form when two monosaccharides undergo a dehydration reaction ( or a condensation reaction).
Answer: 1/4 AA or type A Blood; 1/4 BB or type B Blood; 1/2 AB