Answers: 2
SAT, 25.06.2019 07:00
Explain how you might determine the rate of weathering on a sample rock
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SAT, 25.06.2019 22:00
In the image, layer a is the topmost layer. layer c contains fossils from the precambrian era. layer b contains dinosaur fossils, and layer a contains fossils of mammals. which two statements are supported by this evidence? 1. mammals lived before the precambrian era. 2. dinosaurs and mammals existed in the precambrian era. 3. dinosaurs evolved after precambrian organisms. 4. precambrian organisms evolved after dinosaurs. 5. precambrian organisms were the first life-forms to become fossilized, according to this sample.
Answers: 1
SAT, 27.06.2019 22:00
The different layers of gases that extend form the surface of the earth into space
Answers: 1
SAT, 29.06.2019 02:30
Certain gases in air are important natural resources that are used in welding. two of these gases are a. oxygen and argon b. hydrogen and fluorine c. chlorine and sulfur dioxide d. nitrogen and carbon dioxide
Answers: 2
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