Which of the following BEST defines labor?
A management
B. inwested capital
C work for which someone is paid
means of production that produce a good or service

Chalk is an ionic compound. which is a property of all ionic compounds that makes chalkboard? particularly useful for writing on a a high melting point hardness and brittleness inability to dissolve in water a multicolored appearance

What are the fixed alleles in the human species? o a. the alleles that are on the most chromosomes b. the alleles that change most often 000 c. the alleles that no one has d. the alleles that everyone has

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?