The answer is sodium (Na)
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Answer:
They get flat and start to deflate
Explanation:
Answer:
The ratio of an object's mass to its volume is called density of an object
Explanation:
Density=mass/volume
The troposphere has the most density because it has the most air pressure. As you get higher in the atmosphere, the air gets thinner, which is why people who climb high mountains get sick because the air is not thick enough for them to breathe.
