What would einstein's famous e=mc2 equation became the basis of development for?

How did the completion of the transcontinental railroad change the lives of american citizens? a-it increased the wealth of all americans and enabled them to travel more.b-it made cross-country travel too expensive for ordinary americans.c-it decreased the safety of americans who moved to settle the plains.d-it shortened travel time between the east and west for all americans.

Plz i need this answer t-t in a couple of paragraphs, list two reasons why florence is the birthplace of the renaissance. explain how these reasons contributed to the renaissance

Write a letter to someone who doesn't live in texas telling them about the different landforms and rivers in texas. < < read less