Biology, 17.05.2021 01:00 iamquintix
1. A student notices fewer robins in her yard during the winter. 2. She thinks that some robins must migrate in the winter. 3. She counts the robins in her yard once a week for 2 years. 4. She finds that there are about half as many robins in her yard in the winter as in the summer. 5. Her research has shown that some robins are not in her yard during winter. Which statement best describes her hypothesis? O A student notices fewer robins in her yard during the winter. O She thinks that some robins must migrate in the winter. O She counts the robins in her yard once a week for 2 years. O Her research has shown that some robins are not in her yard during winter. 16 17 1β(answers, a student notices fewer robins in her yard during winter1,she thinks that some robins must migrate in the winter2,she counts the robins in her yard one a week for two weeks3,her research has shown that some robins are not in her yard during winter4)
Answers: 2
Biology, 22.06.2019 05:00
Ialready know the answers to these questions and they are on the attachment. but i just need to know why that answer is the correct one. plz asap! this is for a report that i need to email by 10!
Answers: 3
Biology, 22.06.2019 12:00
When the oxygen produced by photosynthetic plants in the water dissolves in the water, which of these is being formed?
Answers: 1
Biology, 22.06.2019 14:30
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
Biology, 22.06.2019 16:30
Which statement best explains why cells were observed in more detail using a compound microscope than a simple microscope? a compound microscope has greater magnification ability than a simple microscope. the compound microscope was invented before the simple microscope. a compound microscope is much easier to manufacture than a simple microscope. compound microscopes were more common than simple microscopes.
Answers: 3
1. A student notices fewer robins in her yard during the winter. 2. She thinks that some robins must...
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