The correct answer is 1.
An electromagnet is type of magnet in which a magnetic field is produced by an electric current.
However, the magnetic field disappears when the current is turned off. Therefore, it does not function without a source of current.
Answer:
The three sentences with ambiguous or incorrect use of adverbs include:
We ended the game quickly running home.
Our food is running out now we have to go to the store.
Always, the winners are Kurt and Gerald.
Explanation:
This is because, it is ambiguous sentences due to lack of understanding of what the sentences is trying to pass across. Or incorrect sentences due to its incorrect placement and agreement of the adverb with other parts of the sentences.
Answer:
He teaches them, though each can be overcome alone, they are invincible combined.
Explanation:
Having bound a bundle of sticks together (or in other accounts either spears or arrows), he asks his sons to break them. When they fail, he undoes the bundle and either breaks each stick singly or gets his sons to do so. In the same way he teaches them, though each can be overcome alone, they are invincible combined.
Hope this helps!