Answer: diffusion, osmosis and facilitated diffusion.
Explanation:
Weathering, acid rain can mostly destroy like stone, I suggest you look up pictures of acid rain and how it affects (limestone)
The answer is simple dominant
You have to measure the distance between them
Answer:
<em>The kidneys act as very efficient filters for ridding the body of waste and toxic substances, and returning vitamins, amino acids, glucose, hormones and other vital substances into the bloodstream. The kidneys receive a high blood flow and this is filtered by very specialised blood vessels.</em>
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