Answer:
d. price floor
Explanation:
A price floor is a government mandated mininum price that is higher than the market equilibrium price.
This means that supply and demand do not meet because prices are not allowed to go any lower than the price floor.
The most famous example of a price floor is the minimum wage. A minimum wage is a price of labor that is higher than the market equilbrium. This produces a surplus of workers because supply (workers) is higher than the demand for them (which is determined by the firms).
The answer is "token economy".
A token economy is an arrangement of possibility of administration in light of the methodical fortification of target conduct. The reinforcers are images or "tokens" that can be traded for different reinforcers. Marbles are being utilized as tokens that would then be able to exchanged for a coveted protest—the computer game.
In eukaryotic cells, DNA replication occurs in the nucleus during the S phase of the cell cycle. The cell's total DNA is found in the nucleus, which is why replication occurs there.
