Why dose light break into patterns when it is run through thin slits

Which beliefs and principles in the declaration of independence and the us constitution create a national identity

Africa, 1914 which statement is the best conclusion for the information presented in the map? a) european colonization had a positive impact on african nations. b) african colonization the economic growth of all european nations involved. c) by the outbreak of world war i, most of the african continent was under english control. d) by the outbreak of world war i, most of the african continent was under european control.

Explain the changes that took place in the field of agriculture in india due to the green revolution in the late 1960.