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What type of atmosphere was present on the Earth in early ages? Billions of years ago, the atmosphere on the Earth did not have free oxygen. Scientists call it highly atmosphere.
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Organisms are classified, or grouped into categories, based on similarities in their characteristics and/or evolutionary relationships. the study of how organisms are classified is known as
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Biology, 22.06.2019 15:30
Ascientist is designing an investigation to study the impact of invasive bird populations on local, native bird populations at backyard bird feeders. what population is most likely to be a control group for the investigation? amount of food number of bird feeders invasive bird populations local backyard birdfeeders without food
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Biology, 22.06.2019 23:00
3. draw a topographic map that displays the following features: (4 points each) a. the contour interval is 20 meters. b. the point of lowest elevation is 960 meters. c. the point of highest elevation is 990meters. d. there is at least one sinkhole or depression, at any elevation. e. there is at least one steep slope and one gentle slope.
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What type of atmosphere was present on the Earth in early ages?
Billions of years ago, the atmosphe...
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