Dangerous, rocky, fast moving water is called cataract. C<span>ataracts are sections where the river tumbles over rocks, and can be very dangerous. A well known cataract can be found in the Nile River. </span>
European power was exerted both by conquest and trade, especially in spices. The search for the wealth and prosperity of India led to the colonization of the Americas after their discovery by Christopher Columbus in 1492
true
an objective and systematic way of collecting information and arriving at conclusions
scientific method
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