Why must all valves be

  1. Two gas tanks containing compounds A and B are connected by separate valves to two ends of a 10 meter glass tube as shown below.
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    2. laura asked by laura
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  2. Which are the three types of blood vessels?(1 point) Responses arteries, valves, and veins arteries, valves, and veins valves,
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  3. We have a compressor that has two problems ¡K the engine is constantly loaded to maximum, and the life of compressor valves is
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    2. Tony asked by Tony
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  4. In people who stand for long periods, blood tends to pool in the lower limbs and this may result in varicose veins. What causes
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  5. The blood vessels that carry blood away from the heart to the rest of the body are…(1 point) Responses capillaries capillaries
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    2. no asked by no
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  6. QuestionThe blood vessels that return blood to the heart from the rest of the body are (1 point) Responses capillaries.
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    2. ASTRANGEPERSON asked by ASTRANGEPERSON
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  7. The blood vessels that return blood to the heart from the rest of the body are(1 point) Responses capillaries. capillaries.
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    2. your mom asked by your mom
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  8. Multiple ChoiceWhat trait do all brass instruments share? (1 point) Responses They all have valves. They all have valves. They
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  9. Multiple Choice What trait do all brass instruments share? (1 point) Responses They all have valves. They all have valves. They
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  10. What trait do all brass instruments share?(1 point) Responses They all have valves. They all have valves. They are made of
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