<span>The answer is Precipitation. </span><span>When a solid is formed from the combination of two solutions of ionic compounds it is called Precipitation.</span>
1 CH4 + 2 O2 --> 1 CO2 + 2 H2O
Atomic Mass = 140.1 amu
Element= Ce (Cerium)
I think it's C. Please mark brainliest
Answer - LEGEND
The legend of a map is also called the map key. It is the part included in a map to, as it were, unlock the map. The legend (or map key) gives explanation to what each symbol and color used in the map represents.
