Pressure in fluids and upthrust

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Question 42
Easy

Figure 1 shows a model representing the distribution of gas molecules in a vertical column of the Earth's atmosphere.

A vertical column of the Earth's atmosphere divided into three sections: the bottom section (0 to 10 km) contains a high density of small circles representing gas molecules; the middle section (10 to 30 km) contains a medium density of circles; the top section (30 to 50 km) contains only a few widely spaced circles.

Use Figure 1 to explain how the density of the atmosphere changes with increasing altitude.

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Pressure in fluids and upthrust Questions

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