Answer:
An air mass that is warm, moist, and usually unstable.
Explanation:
When water is heated, it evaporates. The molecules move and vibrate so quickly that they escape into the atmosphere as molecules of water vapor.
Answer: B. Strike-slip.
Explanation:
The fault is slipping past on another, while striking itself.
Answer:
The Quantum Model of the Atom 1927
Explanation:
It is the most accurate model of the atom but I don't know about the easiest to visualise. Soz :(