Scales of a fish, I kind of read or heard people getting drafts of fish skin which might be the same.
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This can only be due to the fact that the Universe is expanding. Further, by measuring the distance to the galaxies, one finds that the velocity of recession is proportional to the distance of the galaxy from us. This is called Hubble law after Edwin Hubble who was the first to discover it.
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pretty sure it's the mantle
It seems that you have missed the necessary options to answer this question, but anyway, here is the answer. The cell walls of bacteria contain the material PEPTIDOGLYCANS. This is the <span>substance forming the cell walls of many bacteria, consisting of glycosaminoglycan chains interlinked with short peptides. Hope this answer helps.</span>
An example<span> of </span>photosynthesis<span> is how plants convert sugar and energy from water, air and sunlight into energy to grow. -google</span>
