Which of the following statements about mining is true?
a. mining has no long-term effects on the earth.
b. mining is unimportant to the economy.
c. mining has no ecological impact.
d. mining allows useful minerals to be extracted from the earth.

Match the graph type to its description. 1. uses symbols to describe information pie 2. compares different quantities at the same point in time line 3. compares increases and decreases in a quantity over a period of time bar 4. shows the relationship of parts to each other and to the whole pictograph

Trade routes emerged along which coast when arab and indian traders from around the indian ocean mixed with the bantu people from africa's interior? a. swahili coast b. guinea coast c. drakensberg coast d. namib coast

The ratio of the measures of the three angles in a triangle is 14: 15: 11 find the measures of the angles