Plase what was the ultimate result of zheng he’s voyages of discovery in the 1400s? a. expanding china’s overseas trade b. spreading the japanese language c. spreading the religion of islam d. expanding trade with native americans

Which of the following equations represents the right chemical process that occurs i. photosynthesis

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.

Who did the first work in creating vaccines