I think it is 1 and 2
pls mark brainliest pls T H A N K S
Examples of primary reinforcers include: food, drink and pleasure.
Secondary reinforcers include grades. Have a good day
<span>The APR would be 20%. This would yield Sam $600 in a year, so he would earn $300 in six months as long as the interest was non compounding. The interest rate is multiplied by the amount of principal, and then multiplied by the amount of time. In this case the time is 6/12.</span>
The similarity between the social system is the hierarchy that created in society based on the job that held by individuals.
The main difference is the openness. South Asian culture directly acknowledge the discrimination while the European culture masked it even though the nobles held all the power in the society.
