Answer:
Water can carry many different kinds of bacteria and possible diseases. It is important to treat the water correctly so these are not consumed. Having good water quality means having safe water to drink for all.
Explanation:
Answer:
Silent mutations do not affect protein function
Explanation:
A mutation is defined as any alteration in the genetic material of a cell of a living organism. Moreover, a silent mutation refers to any mutation that does not alter the phenotype of the cell/organism (they are evolutionary neutral mutations). Silent mutations are base substitutions that do not alter the amino acid sequence of the resulting protein, and therefore these mutations do not alter protein function.
C 1650 Because you have to factor in the difference of BC and AD. you must get 1200 BC to 0 first, and then go to 450, therefore getting 1650
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But u can still mark me as brainliest.