Plate tectonics are important to geoloigists because they explain how the continents make up the earths crust.
Answer:
the pen which is laying on the table that is yours?
Erosion of farmland, overuse of both surface and groundwater, dwindling supplies of finite fossil fuels, and escalating extinction of plant and animal species imperil the ability of the earth's resources to meet the needs of such enormous numbers of humans. The food situation worldwide is becoming critical
Answer:
4000 kilometers
Explanation:
1 cm equal 500 kilometers
8 cm equals 4000 km
