The first man-made satellite was sent into space in 1957. Space travel has expanded since then. What percentage of the 20th century was occupied with space travel?
A 57 percent
B 80 percent
C 44 percent
D 49 percent

The fighting over the land in palestine is between?

In relation to the september 11th attacks, the term ground zero refers to new york city. the pentagon. the shanksville, pennsylvania, memorial. the site of the world trade center.r

How did the technology of the late 1800s affect the growth of cities? select one: a. cities were able to expand outward because of additions to railroads. b. electric streetcars enabled the wealthy city dwellers to move to the first suburbs. c. advances in steel and metal technology allowed for the development of the skyscraper, which allowed cities to grow upwards. d. all of these are correct.