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.
I think it is Sulfur Dioxide (SO2) and Nitrogen Oxides (NOX).
Answer:
Condensation near the ground
Fog develops when air having a relatively high humidity comes in contact with a colder surface, often the Earth's surface, and cools to the dew point. Additional cooling leads to condensation and the growth of low-level clouds.
Answer:
wouldn't it be inflation/increase of prices
Gold is plentiful in Africa and is a necessity for most technological devices.