Muscle cells in your arm are not able to conduct nerve impulses. It is the job of neurons to conduct nerve impulses. This is an example of:

Specialization

Explanation:

Is is the adaptation of an organ or part to serve a special function or to suit a particular way of life.

the answer is c) abandoned properties that are contaminated with hazardous materials.

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.