What is the force that resists the force of gravity?

In a 2-3 paragraph response, analyze the social and economic impacts of the second industrial revolution. be sure to discuss both class and gender. fast

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.

What are contributions made by rene descartes