1) What is the atmosphere mostly made of?  a) Oxygen b) Hydrogen c) Carbon Dioxide d) Carbon Monoxide e) Nitrogen f) Helium 2) What is the largest Earth System? a) Hydrosphere b) Atmosphere c) Biosphere d) Geosphere 3) What is the atmosphere needed for sedimentary rocks to turn to Metamorphic Rocks? a) Extreme Temperature b) Weathering c) Erosion d) Crystillization e) Extreme Pressure f) Cementation 4) What do you call the way a mineral's surface reflects light? a) Cleavage b) Streak  c) Fracture d) Luster 5) What do you call the color of a mineral's powder a) Cleavage b) Fracture c) Luster d) Streak

The Earth System

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