The mesosphere protects us from while the stratosphere protects us from
A. UV Rays, Meteors

B. Meteors, UV Rays
C. Storms, UV Rays
D. Meteors, Storms

For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³

When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device