Why is brazil developing the fuel ethanol into a major industry?

Which of the following is defined as combinations of soil particles that vary in size and shape?

Plzz on what physical process is responsible for the creation of volcanoes, earthquakes and ocean trenches at the plate margins?

Agriculture is a. slowly being replaced by mining as the primary industry in southern africa c. not possible in southern africa because of drought b. the primary industry in southern africa d. none of the above