8. Which of the following is not a process involved in urine formation?
A filtration
B. secretion
C. excretion

To create electromagnetic induction, which of the following has to move? a. a wire b. a magnet c. a transformer d. either a or b

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

If y gets smaller as x gets bigger and y have an relationship?