Select the correct answer. Which of the following groups have lived on the continent of South America for the longest time? A. Africans B. Native Americans C. Spaniards D. Portuguese

Give reason sugarcane waste can be recycled into useful products

Which revelation resulted from the observation of the spectrum of different galaxies? a. there were more galaxies whose spectrum was blueshifted b. there were no galaxies whose spectrum was redshifted c. there were more galaxies whose spectrum was redshifted d. there were no galaxies whose spectrum was blueshifted

Which outcome is not caused by gravitational forcea. gas and dust come together to form a planet b. planets orbit a star c. two atoms come together to form a molecule d. stars cluster to form a galaxy