The shape, the cell wall, chlorophyll, the components of the nucleus, cytoplasm
Answer:
4. Atmospheric pressure decreases as altitude increases.
Explanation:
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Cans aren't entirely made of tin because of rusting. When scratched(which happens quite frequently to cans) the tin is in more danger of rusting. This is why the cans are coated in a layer of tin rather than the whole can is made of it.