Explanation:
Fertility, mortality and migration are principal determinants of population growth. Population change depends on the natural increase changes seen in birth rates and the change seen in migration. Changes in population size can be predicted based on changes in fertility (births), mortality (deaths) and migration rates.
Answer: The correct answer is A. Court have upheld the legality of psychological screening of police candidate.
Answer:
i think b is the answer
Explanation: i really hope this helps :)
A benefactor or a donor is a wealthy supporter of artists, writers, and scholars
Answer:variable interval
Explanation:
In operant conditioning, a variable-interval schedule is defined as that schedule in which a response is received after unpredicted time , because reinforcement has been administered in diffrent non fixed times. The response is slow and steady. Variable means non fixed time which means reinforcement can occur at any time , using various different time zone. Interval refers to time hence this means reinforcement is administered at various times.
