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Biology, 22.06.2019 13:30
The earths core is made up mainly of what 2 substances? 2. like an egg, earth has a core, a layer surrounding the core, and a thin, hard outer layer. which layers of the earth match the layers of an egg?
Answers: 1
Biology, 23.06.2019 00:30
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: 2
Biology, 23.06.2019 16:00
Marsupials are found in north america and australia, but they would not have been able to swim across the ocean. according to scientists, how did this group of organism come to live on two separate continents ?
Answers: 1
Biology, 23.06.2019 17:00
How can humans reduce the number of landfills? control topsoil erosion produce less trash preserve more wetlands control rodent populations
Answers: 2
Identify the principal role of cellular respiration....
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