Answer:
2.metal surface attracts negative charges
Explanation:
During a lightening storm, metal surfaces can act like a Faraday's cage; by conducting the electrical current from the storm (moving electrons) around them and away from the inside. This is why airplanes and cars are safe to wait out a storm. However, they have to be made of a metal body. The conduction is due to metal surfaces attracting the negative charges in the storm.
Answer:
3D printing has been very useful because of making things we desire. Using the traditional methods will give better depth and look. We can use this advantage to make maybe better things.
You could use definition or root word to better understand the word or to learn what it means.
Can you send a picture of the graph?