Answer:
B. Production costs is the correct answer.
Explanation:
In Maglev, superconducting magnets suspend a train car above a U-shaped concrete guideway. Like ordinary magnets, these magnets repel one another when matching poles face each other. ... Here, both magnetic attraction and repulsion are used to move the train car along the guideway
give brainliest x
There were only 10 days between the two battles and they helped gain American control.
It is absolutely ethical to charge those with lower incomes less money, and those with higher incomes more money.
