What is ramp rate? send me definition of ramp rate?

Ramp Rate (Generator) The rate, expressed in megawatts per minute, that a generator changes its output.

The rate, expressed in megawatts per minute, that a generator changes its output.[1]

The answer is atmosphere. there are four spheres of the earth: 1. geosphere (from greek word 'geo' = ground), 2. hydrosphere (from greek word 'hydro' = water), 3. biosphere (from greek word 'bio' = life), and 4. atmosphere (from greek word 'atmo' = air). a magnetosphere is a region of space around astronomical objects controlled by the magnetic field of that object. through the process of elimination, since lightning is present in the air, it can be found in the atmosphere.