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Answer:
Spontaneous recovery
Explanation:
An individual takes a sweat inducing injection in a dark room. This act of sweating is an Unconditional Response to the Unconditioned Stimuli which is the Injection.
After some time, whenever the individual is in a dark room, he begins to sweat. This is now a Conditioned Response (Sweating) to a Conditioned Stimuli(The Dark room).
If after some time, this conditional response lessons and goes away, it is referred to as Extinction.
However, after a period of absence, if the Conditioned Response returns, it is referred to as Spontaneous Recovery.
Answer: The most common tones produced by sirens in the United States are "alert" (Steady) and "attack" (wail). ... Attack Warning – A 3 to 5 minute wavering tone on sirens or a series of short blasts on horns or other devices. The Attack Warning signal means detection of an actual attack or accidental missile launch. The sirens are usually for the people surrounding the area to let them know that they need to evacuate immediately.
I hope this helps
~Princess <3
The answer is B.
Wegener could not explain how similar fossils could be found on different continents.
It is D. Disburses none of the others match the sentence
