3. which means of particle transport requires input of energy from the cell?
diffusion
osmosis
facilitated diffusion
active transport

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3 -> a2cr(no3)3 + a3ag2so4

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.