Pathogenic means bacterium, virus, or other micro organism that causes disease. So the answer is C.
Answer:
R is an abbreviation for radical, when the term radical applied to a portion of a complete molecule (not necessarily a free radical), such as a methyl group.
Answer:
Examples of biotic factors are animals, birds, plants, fungi, and other similar organisms. Introduction In ecology and biology, abiotic components are non-living chemical and physical factors in the environment which affect ecosystems
False dna will change every generation
The answer is B. an organ.
Brainliest answer would be greatly appreciated.