Question

State whether the following statements are true or false: 1. The density of air above 300 km is negligibly small. 2. The measured value of the atmospheric pressure is about 105 Pa. 3. In a barometer the atmospheric pressure is specified by the length of the mercury column in the glass tube. 4. A scale is attached to a simple barometer.​

Answer 1

Answer:

1. true
2. true
3. false
4. true

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