geoengineeringGeoengineering is the deliberate modification of a planet's environment by the addition or subtraction of a resource or energy input on a massive scale. Proposed geoengineering projects on Earth, often introduced as a means of combating climate change , have included space mirrors, sulfur-spraying in the stratosphere, cloud seeding and oceanic carbon sequestration .
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| Last updated on:
Apr 24, 2008 |
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What do you call the unused portions of the radio frequency spectrum?
a. white space
b. surplus space
Answer
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