Answers by Yibei Huang
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Answers by Yibei Huang

Answers by Yibei Huang
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Why do you think there are fossils of the same animal in different plates?
answered Jul 13, 2021
2 votes
28.7k views
Bowlby hypothesized that when a caregiver is warm and responsive to an infant's needs, an emotional bond is formed, known as .
answered Jun 14, 2021
6 votes
40.1k views
2cos^2theta-3costheta+1=0
answered May 20, 2021
4 votes
160k views
What was the Truman doctrine? How did it affect the Cold War?
answered Jan 24, 2021
3 votes
134k views
What is the best strategy in the short to medium term to combat the acute shortage of doctors who can perform cesarean sections in a low-income country?
answered Jul 27, 2020
4 votes
186k views
A truck driver is attempting to deliver some furniture. First, he travels 8 km East, and then he turns around and travels 3 km West. Finally, he turns again and travels 13 km to his destination. What is
answered Jun 27, 2020
4 votes
133k views
What is meaning of fact?
answered Mar 3, 2020
0 votes
81.4k views
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