What is the definition of lava?

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h

In which phase(s) do the molecules take the shape of the container?

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland