MASS: because it is the measure of the amount of matter in an object
A gene is a section of DNA that codes for a trait or other functional product so the answer is B. gene :)))
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Answer:
Astronomy
Explanation:
Astronomy- is the the branch of science which deals with celestial objects, space, and the physical universe as a whole.
Answer: biotic and abiotic factors are the environmental conditions that the organisms have to face to live in a specific environment
Explanation:
