Is this for K12? it depends because the answers are differentt for each place.
Answer: A battery or an emf device creates an electric force field that moves electrons through a circuit. The emf device has two terminals, a positive terminal called anode and negative terminal called cathode.

Sentence is a group of words which makes a complete sense.
Answer:
We can learn from this knowledge because it can help us complete tasks that we aren't used to. We affect our enviorment because we all bring different attributes to the table.
Explanation:
hope that helps.
Question 10: true
Question 11: C "Remember, look both ways before you cross a street."
Question 12: A "Do you remember how to figure out the area of a parallelogram? I'm having trouble doing it."
Question 13: C "Make sure you put the turkey in the oven at noon," Mildred said.
Question 14: C begin a new paragraph
Question 15: C The Cubs, my dad's favorite ball club, finished in last place again.
Question: 16: Before but
Quesion 17: D "It seems to me," mused Shawn, "that those policies are confusing."
Question 18: D no comma necessary