You should just keep in touch with your friends, and set a date to meet them and talk to them so you can catch up.
They break down dead plants and animals. They also break down the waste of other organisms. If decomposes weren't part of the ecosystem then plants wouldn't get essential nutrients, and dead matter and waste would pile up.
The correct answer is fixed-interval
In a fixed interval reinforcement scheme, the reinforcement is presented if the organism emits at least one response after a fixed time interval. Generally, this scheme is represented, placing the specific value of the fixed interval. For example: FI-1 hour means that the backup is presented after 1 hour and only for the first response issued.
The fixed interval reinforcement scheme results in a low frequency of responses at the beginning of the interval, increasing as the end of the interval approaches.
Answer: is A and B
Explanation:
A: Because In market economy, the government could not decide the type of jobs that the citizens should have and they are free to do whatever they want as their main source of income. It also give companies the freedom to produce the goods that they have a competitive advantage of.
B: Unlike in communist countries, market economy allow the people to had ownerships of a certain property. The right of ownership cannot be forcefully taken away unless criminal actions were conducted.