No energy-using device operates at 100% efficiency.
True or False...
Answers: 1
Biology, 22.06.2019 03:00
Which of the following are the ingredients that go into the plant and are needed for photosynthesis? select all that apply. 1.) soil 2.) seeds 3.) carbon dioxide 4.) minerals 5.) glucose (sugar) 6.) water 7.) light energy (sunlight) 8.) oxygen 9.) air
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Biology, 22.06.2019 15:10
Hairs that clean dirt out of the air in your nasal passages are called: a. sinus b. trachea c. cilia d. mucus
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Biology, 22.06.2019 19:30
Why do the circulatory systems of land vertebrates have separate circuits to the lungs and to the rest of the body?
Answers: 1
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