Answer:
True
Explanation:
Fixed refers to the delivery of rewards on a consistent schedule. Ratio refers to the number of responses that are required in order to receive reinforcement. For example, a fixed-ratio schedule might be delivery a reward for every fifth response. After the subject responds to the stimulus five times, a reward is delivered.
The answer is D(Businesses increased population.) hope this helps(:
<span>Chemical element molecules that are in the form of crystalline solids are called minerals.Thus, each mineral is a molecule of a specific element. Changing the base molecule, in other words, the base molecule element causes a change in mineral properties, like color and structure of the mineral. </span><span />
too dark see anything sorry
