Answer:
because the sun and moon exist
Explanation:
Answer:
Explanation:
Major problems at the end of the war included labor strikes and race riots, and a lag in the economy due to farmers' debts. The Red Summer of 1919 saw an increase in violence in more than two dozen cities, as returning veterans (both white and African American) competed for jobs.
Answer:
Opportunity cost is the cost of the next-best option. It is something important to know.
Explanation:
In microeconomic theory, opportunity cost is the loss or the benefit that could have been enjoyed if the best alternative choice was chosen. As a representation of the relationship between scarcity and choice, the objective of opportunity cost is to ensure the efficient use of scarce resources.
Please mark brainliest.
Basically Soviet artificial satellite to be placed in orbit. :)
