The answer to this question is <span>variable-ratio schedule
</span><span>variable-ratio schedule refers to a schedule of reinforcement in which the response is being reinforced. after an unperdictable amount of response is being made.
The purpose of this type of scheduling is to create a high rate of responses.
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The types of health facilities are providing better doctors in rural areas and giving awarness to people about the diseases its causes its symptoms and how to prevent that disease
Inertia is the opposing of gravity so...
D. doesn't lead to a productive end.
Answer:
blood pressure levels
normal systolic: less than 120 mm Hg diastolic: less than 80 mm Hg
at risk (prehypertension) systolic: 120–139 mm Hg diastolic: 80–89 mm Hg
high blood pressure (hypertension) systolic: 140 mm Hg or higher diastolic: 90 mm Hg or higher
hope it helps <3