Quizlet is a great flashcard site that helps you create your own flashcards, and provides you with some great ready-made flashcards as well. As an ESL teacher, I find it to be very useful, especially for students who are not native speakers and do not have anybody at home to help them with their vocabulary.
The atmosphere, the ocean, and the terrestrial biosphere. Carbon can be found in the earths oceanic and continental crust in different types of stones as well as in the soil from the decay of organic matter.
Colombia is known to possess a rich store of natural resources ranging from minerals to energy resources, agricultural products to fuels. Colombia natural resources are mainly centered around the Llanos Basin, situated in the foothills of Eastern Cordilla. Colombia accounts for a large output of minerals and fuel oil.Talking about the natural resources at Colombia, it can be said that Colombia has the highest reserve of coal in Latin America. Colombia ranks first in its store of coal. The total output of coal obtained from Colombia is 7.4 metric tonnes.olombia is known to possess a rich store of natural resources ranging from minerals to energy resources, agricultural products to fuels. Colombia natural resources are mainly centered around the Llanos Basin, situated in the foothills of Eastern Cordilla. Colombia accounts for a large output of minerals and fuel oil.