This reduces biodiversity.
a: agricultural intensification
b: the eu
c: traditional farming practices
d: use of chemical agents

Which of the following terms describes the layers of air surrounding the earth ?

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

Which season occurs in the northern hemisphere when the sun is at its lowest point in the sky