What is the primary mission of the orbital debris observatory? a. it is used as part of our national security to listen in on communication. b. it is used to make three-dimensional models of the galaxies. c. it locates spy satellites and decodes secret military languages. d. it locates old satellites, lost equipment, and space-related garbage.

the correct answer is d. It locates old satellites, lost equipment, and space-related garbage.

Explanation: Debris can be dangerous for satellites or spacecraft that's why   more than 500,000 pieces of debris, or “space junk,” are tracked as they orbit the Earth. They all travel at speeds up to 17,500 mph.

folds are formed when heat and pressure is applied to the rock. the higher the temperature, the more pliable rocks become. folds are more likely to occur when the deformation caused by the compression is applied slowly. faults are defined as the displacement of rock that were once connected along a fault line.

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