Answer:
The U.S. electrical grid is the largest interconnected machine on Earth: 200,000 miles of high-voltage transmission lines and 5.5 million miles of local distribution lines, linking thousands of generating plants to factories, homes and businesses.
Explanation:
I hope that helps
Answer:
Some were used for burial mounds , the presence of human remains would reveal that purpose.
Explanation:
Wilhelm Roentgen invented the X-ray vision.
- Created in 1895.
- Used a lot now a days.
- Was made so scientists could look through the digestive system.
Those are a bit of facts,
Keep rolling on, good luck on your assignment!
- Emacathy
<span>Karl Marx believed the study of history was: of Class conflict also known as class warfare or class struggle. Class conflict is the difference between classes in a community. It is the tension or antagonism which exists within the community due to (social/economic) positions and their reflected opposed/ different interests. It comes down to different opinions and thoughts from different groups of people based on their race, gender, age and financial differences. Marx thought if he could figure this out he would better understand history!</span>