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Biology, 22.06.2019 10:50
The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million
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Biology, 22.06.2019 13:30
Methane gas created by a cows flatulence especially in a large herd is a greenhouse gas. true or false.
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Biology, 22.06.2019 14:30
Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.
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Biology, 22.06.2019 17:10
Communication and transportation have improved as a result of scientific advancements. select the best answer from the choices provided of mark this and return save and exit next
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Creativity a scientist by allowing him or her to a)-write more interesting lab reports. b)-draw bet...
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