42km = 26.098 miles. Hope this helps.
Examples of primary reinforcers include: food, drink and pleasure.
Secondary reinforcers include grades. Have a good day
Diffusions
Osmosis
Facilitated diffusion
Active transport
Answer:
In its purest form, a market economy answers the three economic questions by allocating resources and goods through markets, where prices are generated. In its purest form, a command economy answers the three economic questions by making allocation decisions centrally by the government. so the answer is A
