Answer:
d. rocks are made of more than one mineral
<span>Logging ranks among the top causes of deforestation in Central and South America, especially because of the high demand for timber in countries importing from the region. In fact, between 1990 and 2010, South America lost about 8.7% of its forest cover, and over 80% of Latin America's tropical species have been lost just within the past 40 years. For the second human factor affecting the environment of Central and South America, according to the World Bank, more than 70% of water used in Central and South America empties back into rivers in the region without undergoing any form of treatment. This implies that industrial and sewage waste flow back into rivers, lakes, dams, and other water sources. This is so endemic in the region that every one in eight people there doesn't have access to clean drinking water.</span>
The Open Door Policy is a term in foreign affairs initially used to refer to the United States policy established in the late 19th century and the early 20th century, as enunciated in Secretary of State John Hay's Open Door Note, dated September 6, 1899 and dispatched to the major European powers.[1] The policy proposed to keep China open to trade with all countries on an equal basis, keeping any one power from total control of the country, and calling upon all powers, within their spheres
John Smith is mostly associated with being the first colonial leader to settle the first permanent English settlement in America. He helped set up the colony of Jamestown in present day Virginia.