Answer:
The correct answer is<em><u> D. Set</u></em>
Explanation:
In contrast, <em><u>direct current</u></em> (DC) refers to a system in which the movement of electric charge in only one direction (sometimes called unidirectional flow). Direct current is produced by sources such as batteries, thermocouples, solar cells, and commutator -type electric machines of the dynamo type.
Answer is the united states
Sparta and Athens were city-states in the country of Greece.
Since stock resources are consumed over a long period of time, they are not renewable. They often indicate their quantity using absolute values rather than rates. Coal and petroleum reserves are two examples.
There are resources that are known to exist that could be used. Resources that have been created, whose amount and quality have been determined for use, and which are currently in use, are referred to as developed resources. Future-use resources are defined, and their current value is acknowledged. However, they aren't being utilized right now. Resource stocks create and market a variety of goods. These include oil, copper, uranium, tin, fertilizers, and oil. Although developing a distinctive product is difficult for resource producers, businesses can differentiate themselves by identifying and producing their commodities swiftly and profitably.
Learn more about Resources here:-
brainly.com/question/18448459
#SPJ1
I think the answer is B. Geographers use different kinds of maps, depending on the subject they are studying. <span />
