Robert was not sure how to read a metric ruler, so he asked his lab partner luis for some .

what is the length of the line above the ruler?

Suggest two reasons why irrigation is important for human development of the desert

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

1. crust 1 the metallic layer at the earth's center 2. inner core 3 the firm layer between the crust and the asthenosphere 3. lower mantle 2 the layer surrounding the inner core 4. asthenosphere 4 the semi-solid layer between the top layer and the upper mantle 5. upper mantle 5 the layer between the asthenosphere and lower mantle 6. top layer 6 the earth's outermost layer 7. outer core 7 the hottest part of the mantle