What does one mole of oxygen and one mole of carbon dioxide have in common?

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

What is the mass of each element in a 324.8 sample of co2

Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?