What direction should the windows face on a passive solar house? East
South
North
West

one would be wind another would be water density

idk what the options are but

these is a strong electrostatic attraction between the ions hence a lot of energy is needed to overcome this attraction

this is why the boiling points are so high

its temperature is increasing. this causes molecular vibrations to increase.

which

what is a measurement of the earth’s history divided into time periods?

> fossil record <

sedimentary rock

> geologic time scale <

radioactive elements