NPL also gives services of accurate time-keeping. is it true or false​

Ahill is made of rock particles of different sizes. which of these agents of erosion probably caused the hill to form?

In the late 1990s, brazil’s poor people protested about crowded cities land distribution mining permits industrial pollution

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