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 negative effects of greenhouse effect is very well known among people as global warming. Global warming is a recent phenomena of the 20th and the 21st century. The adverse effects of global warming start from temperature rise to melting of polar ice caps and submerging of the islands and coastal areas under water.he greenhouse effect refers to the way the sun's heat radiates up  from the warmed surface of the earth, where it is absorbed by the  greenhouse gases in the atmosphere. Th â¦ e more gases there are, the  more heat is absorbed.    The natural greenhouse effect is supported by the  water and carbon cycles.