Place a check next to each elementary reaction
step that is bimolecular:
CO(g) + Cl2(g) → COC12(9)
Cl2(g) → 2C19)
2N2O2(g) → 2N2(g) + O2(g)

List the two type of transporst that the cell in orde to transport molecules acroos the membrane

Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this