It’s either Foreign Threats or Economic Problems I’m not 100% sure I’m sorry
Your answer should be C.
They aren't necessarily cheaper, nor does it matter about the quantity, they also don't help the land much.
Answer: household and firms
Explanation:
The circular flow model which is also referred to as the circular flow of income simply shows how money flows or changes hand between the household and the firms.
For example, the individuals purchases goods from the firm's and the firms pay individuals which are the workers wages and salaries. Money moves through different ways in the economy.