during a science lab, Carina measured the mass of an object to be 23.4 grams. the actual mass turned out to be 22.5 grams. What was the percent error in Carina's measurement?

Why did the other allies like great britain and france not support wilsons 14 points?

Which is one reason many african nations have not prospered after gaining independence from european colonial powers? a. colonial powers sent their weakest economic advisors to the new countries, and their recommendations were flawed. b. independence left them with weak economies, and many countries have been unable to overcome or recover from these burdens. c. the desert region of the interior is inhospitable to foreign investors, and business interests focused on the coastal mediterranean cities. d. the money endowed upon independence is still tied up in the bank of england, which is hesitant to make loans to struggling nations.

Horace mann worked to establish a.) a new electoral system. b.) a public education system. c.) penitentiaries. d.) asylums.