Biology, 25.08.2019 16:10, laurabwhiddon
In a series of rock layers, a geologist finds fossils of a lizard-like dinosaur and a fern-like tree in layers that are 1.0 m and 1.5 m deep. however, in a layer that is 2.0 m deep, he finds fossils of bony fish and shellfish. which explains his findings? a. the ancient sea dried up and became land. b. the ancient land area was invaded by a sea. c. an asteroid hit the area, causing the dinosaur to become extinct. d. the continent shifted to a polar region.
Answers: 1
Biology, 22.06.2019 11:00, taterbug3859
Every early childhood education program should develop a
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Biology, 22.06.2019 14:30, shaferxspecial3737
What is a difference between systemic and pulmonary circulation? a. systemic circulation carries oxygenated blood to the lungs and pulmonary circulation carries deoxygenated blood to the body. b. systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body. c. systemic circulation carries deoxygenated blood to the body and pulmonary circulation carries oxygenated blood to the lungs. d. systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs.
Answers: 1
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