Answer:
B
Explanation:
Europe had a rising demand for oil but few reserves. To help meet the demand, Europeans colonized many Middle Eastern countries that had rich oil deposits.
It is located in the Aburrá Valley, a central region of the Andes Mountains in South America.
Answer:
an ore is a naturally occurring solid material from which a metal or valuable mineral can be profitably extracted.
Explanation:
according to natonal geography "Ore is a deposit in Earth's crust of one or more valuable minerals. The most valuable ore deposits contain metals crucial to industry and trade, like copper, gold, and iron. Copper ore is mined for a variety of industrial uses. For thousands of years, gold ore was mined as a basis for currency, or mone" :)
The bacteria eats the nutritions given from the soil and other larger organisms eat the bacteria gaining the nutrients for the soil and the process continues.