Covalent bonds

how many covalent bonds can nitrogen atoms make ?

Which feature do highland climates have that lower elevation areas do not?

Which position represents spring in the southern hemisphere? a) b) c) d)

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm