There has to be a person in the family with blue eyes to pass on the gene
Variable ratio
Among the reinforcement schedules, variable ratio is the most productive and the most resistant to extinction. Fixed interval is the least productive and the easiest to extinguish (Figure 1).
The answer is c, if you do not have a specific machine to achieve your purpose, use something similar and adapt to your needs
Answer:
condoms are a s-xual tool used in s-x, to prevent pregnancy.
Explanation:
