1> What 2 types of electromagnetic energy have wavelengths of 0.76 cm?
2> What is the pressure at a depth of 3000 km inside the Earth?
3> How many inches of mercury are equivalent to 974.5 millibars of air pressure?
4> Jupiter's period of revolution is how many days longer than Earth's?
1 answer
help me please.......please.......................
1 answer