How did the invention of the steam engine first improve land transportation?
a.
it was used to power the steam car.
b.
it was used to power the first trains.
c.
it was used to power the model t ford.
d.
it was used to power the horseless carriage.

What are the similarities and differences in the way geologists and biologists approximate the age of the earth? justify your response in two or more complete sentences.

Which of the following is a way that advancements in technology improve humans' ability to measure air quality and protect human health?

Which statements describe characteristics of mdcs? higher standard of living increased agricultural focus more access to health care more access to transportation and communication more industry reduced educational opportunities shorter life expectancy