Which is a non-renewable resource that is used to generate electrical energy? A. water
B. coal
C. sunlight
D. ores

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

Compare and contrast cladistics and phylogeny. what are their advantages and disadvantages? which is the most useful in understanding how an organism developed into its current form? which concept most strongly supports your opinion about the origin of any given organism?

The nervous system interacts with the endocrine system by a. using hormones as connections b. sending nerve impulses directly to glands c. using neuroendocrine cells as connections d. sending neurotransmitters directly to neurons