What is the process by which water particles move through a membrane? active transport
homeostasis
osmosis
cell division
photosynthesis

Wave functions describe orbitals in a hydrogen atom. each function is characterized by 3 quantum numbers: n, l, and ml. if the value of n = 2: the quantum number l can have values from to . the total number of orbitals possible at the n = 2 energy level is .

The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.

Which of these activities increases the amount of carbon in the atmosphere?