In a plane, if a line is perpendicular to one of two lines, then it is also perpendicular to the other.

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

What does the kyoto protocol aim to reduce

Weathering is an example of an external force of change. question 2 options: true false