Which of the following provides key evidence that 3.5-billion-year-old stromatolites indicate the presence of life on earth at that time? which of the following provides key evidence that 3.5-billion-year-old stromatolites indicate the presence of life on earth at that time? microfossils found within stromatolites that appear to be individual fossilized microbes the layered structure of the stromatolites because layering can be produced only by life the similarity in structure between the stromatolites and bacterial mats that still live today the presence of living bacteria in stromatolites.

What is the main inference that can be drawn from adam smith’s book the wealth of nations?

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.

Monopolies were legal in the united states until a)the 1860s. b)the 1870s. c)the 1880s. d)the 1890s.