In 2007, 296 million metric tons of iron ore were pulled from the mine. The mine is estimated to contain about 18 billion tons of iron ore, plus gold, manganese, copper, and nickel. The Carajas CarajÃ¡s mine sits in The carajas carajÃ¡s (Mountain range Serra) dos carajas CarajÃ¡s. in northeastern brazil
First, it think the phrase should be the net effect. Mixing up affect and effect  is a common error for both learners and native speakers of English. the net effect = the result in light of an important variable.
The greenhouse effect is the natural process by which greenhouse gases keep the earth's temperature at a comfortable level suitable for human existence. The enhanced greenhous â¦ e effect is the increase in greenhouse gases that is leading to global warming. The term enhanced greenhouse effect is also referred to as the anthropogenic greenhouse effect and is the idea that humans may have an effect on global climate. It is also referred to as the runaway greenhouse effect.