Which statement correctly describes the relationship between air temperature and air pressure? 1. Warm air rises, creating an area of low pressure.
2. Cool air sinks, creating an area of low pressure.
3. Warm air sinks, creating an area of low pressure
4. Cool air rises creating an area of low pressure.

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Explanation:

Temperature refers to how warm or cold air is, and the density of the air is how many molecules are packed into a certain space of air. Air pressure is influenced by temperature because, as the air is warmed, the molecules start moving around more, so they bump into each other more often and create more pressure.

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the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands