<span>Leather shoes are made from natural polymers; raincoats are made from synthetic polymers. </span>
Answer:
Even in a chemical reaction when atoms interact and create new products, mass is conserved. This is because the new substances created are composed of atoms that were present in the reactants. The atoms from the reactants come apart, rearrange, and re-bond in a different arrangement to form the products.
Answer:
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Active deffusion.. this way the water is retained and the unnecessary salts ions are expelled out.
