Tornadoes form when warm, humid air collides with cold, dry air. The denser cold air is pushed over the warm air, usually producing thunderstorms. The warm air rises through the colder air, causing an updraft. The updraft will begin to rotate if winds vary sharply in speed or direction1
I would believe the answer to be (a) since the effect has to do with wind force movement
Answer is “descriptio terrae” means description of earth.
Tellus is a Latin word meaning "Earth"
I’m not sure what term the question is looking for?
Answer:
luminous intensity is a measure of the wavelength-weighted power emitted by a light source in a particular direction per unit solid angle, based on the luminosity function, a standardized model of the sensitivity of the human eye. The SI unit of luminous intensity is the candela (cd), an SI base unit.
Explanation: