List the three regions of the earth that provides resources

Light waves can move through , but they travel fastest when they move through a(n) .

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.

Which of the following is the molecular formula for a simple sugar? a. cooh b. h2o c. oh d. c6h12o6