What is the general process in which molecules move from an area of higher concentration to an area of lower concentration? A. endoplasmic reticulum

B. osmosis

C. active transport

D. diffusion

Your roll: experienced electron speech is adressed to: a new "freshman class" of electrons job: write a speech task: you are to pretend that you are giving a speech to a new group of electrons. be sure to mention their placement in an atom, their charge, and their role in chemical bonding (ionic and covalent) be specific!

Idon’t know how to solve this question

Long term exposure to waves can cause sunburns and skin cancer. a) visible b) infrared c) gamma rays d) ultraviole