Its D because
Li = 6
Be =9
C= 12
O=15
The first one is some reaction with water even I am studying the same
Answer:
Mountain ranges are formed by a variety of geological processes, but most of the significant ones on Earth are the result of plate tectonics. Mountain ranges are also found on many planetary mass objects in the Solar System and are likely a feature of most terrestrial planets.
Answer:
chlorine dioxide is empirical formula for CLO2.
