The stems of horsetails contain:

A. spores

B. utensils

C. silica

Which of the following best describes the function of the parasympathetic nervous system? A. It calms the body and conserves energy. B. It maintains internal equilibrium of the body. C. It arouses the body and expends energy. D.

Where is the land of the flying fish that starts with "b"

You get the results of Mrs. M's blood tests and see that the osmolarity of her blood is higher than normal. What is the most likely explanation for the increased concentration of Mrs. M's blood?

Which scenario would require the largest use of natural resources? 1-building stone structures for housing 2-fishers fishing for dinner each night 3-nomadic tribes following animals to hunt for food 4-creating grazing land and pastures

DNA has two strands. If the sequence of nucleotides of one strand was known, is it possible to use that information to determine the sequence of the second strand? Explain your reasoning for your response.

magine that the animal body produced sperm and eggs with mitosis instead of meiosis. What chromosome number would the autosomes of the third generation have if the first generation had four chromosomes

A well supported testable explanation of phenomena that have occurred in the natural world is called

Why is it that traditionally woman in minorities have been underrepresented in the sciences? How does this change in your generation?

Which gas is a source of natural groundwater pollution im thinking its carbon

How many atoms of each element are in the chemical formula p2 O5