Answer:
A solid rock becomes soil when it breaks down and combines with water, air, and organic matter.
When coming to building something, some materials are more vulnerable to water and can wear away easier. Some can keep the water in, so depending on the material, the water quality can be better sustained.
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Answer: The phospholipid bilayer can also be found in organelles that have a membrane such as the nucleus, mitochondria, chloroplasts etc.
Haploid because during meiosis one cell divides twice to for four daughter cells.
