Answer:
Borehole instrument and seismic waves instruments.
Explanation:
The answer is "variable-ratio schedule".
In operant conditioning, a variable-ratio plan refers to a calendar of fortification where a reaction is strengthened after an eccentric number of reactions. This timetable makes an enduring, high rate of reacting. Betting and lottery diversions are great cases of a reward in view of a variable ratio schedule.
The answer for your question would be C.
Because GB would stop American ships and take American sailors.
The base assumption is that if global warming continues on its current trajectory, many of the islands in the Pacific region and many of the coastal regions around the world will cease to exist and will return to the sea.
