The plates of the lithosphere move slowly because they float on top of the asthenosphere. describe how the molten material in the mantle causes this movement of the lithospheric plates

On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( ρ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above

What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.