1. Why is 250 million years called a cosmic year?
A: That's the amount of time it takes the solar system to revolve around the Milky way core.
B: That's the amount of time it takes the solar system to rotate on its axis.
C: That's the amount of time it takes the Milky Way to rotate on its axis.
D: That's the amount of time it takes the Milky Way to revolve around the Universe core.
Answers: 3
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Aboy with an extra x chromosome probably has which of the following syndromes?
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This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment
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Organisms may contain up to five levels of organization within their bodies. which level of organization is shown by the liver? a. tissue b. organ c. organism d. organ system
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Paleontologists have found plant fossils deep within the layers of the north polar region. these leaf fossils have been labeled as to the rock layers they were found in, with the lower numbers being layers close to the earth's surface and higher numbers representing deeper layers. according to the numbers of these four leaf fossils, what might you infer?
Answers: 3
1. Why is 250 million years called a cosmic year?
A: That's the amount of time it takes the solar s...
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