Please answer 1 & 2 questions
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Answers: 2
Biology, 22.06.2019 16:00, shaydog6353
Abird flies by moving its wings up and down. which two systems are most directly responsible for the movement of a bird's wings? a. skeletal and muscular systems b. respiratory and muscular systems c. skeletal and digestive systems d. respiratory and digestive systems
Answers: 1
Mathematics, 16.01.2020 07:31
Mathematics, 16.01.2020 07:31
Biology, 16.01.2020 07:31
Mathematics, 16.01.2020 07:31
Mathematics, 16.01.2020 07:31
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English, 16.01.2020 07:31