Answer:
B)an amine group, a functional R group, and a carboxyl group
Explanation:
The object's mass. Weight would be how gravity affected it, size is how large it is, density is how tightly the molecules are to each other. Mass is how much matter is in the object.
B. A decrease in crop diversity is an environmental concern. Weed killers will wipe out other strains of crop leaving only the engineered resistant type.
Answer:
Impending.
Explanation:
Like you would say.. "impending doom". They're synonyms.
