Explain how the aviation industry safeguards modern aircraft against lightning
What will be an ideal response?
Answer: The skin of the airplane is made of highly conductive material that prevents the electrical current from reaching the fuselage. All electronic equipment is protected against power surges and miniature lightning rods are placed around the plane's radar.
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What happens when rocks oxidize near Earth's surface?
A. Oxygen combines with water to create weak acids that weather rocks. B. Minerals in the rock release oxygen that can break down adjacent rocks. C. Minerals, especially those with iron, combine with oxygen. D. Oxygen combines with silica to make quartz.
The single greatest cause of extinction and decline in global diversity is habitat destruction of
A. coral reefs. B. grasslands. C. tropical forests. D. deserts. E. temperate forests.
Describe the conveyor belt-like pattern of ocean circulation that occurs in the Atlantic Ocean
What will be an ideal response?
Which of the following is TRUE for the December Solstice?
A) The Antarctic Circle is completely within the circle of illumination. B) The subsolar point is at the equator. C) The subsolar point is at the Tropic of Cancer (23.5° N). D) The Arctic Circle is completely within the circle of illumination.