Hello!
Ions are charged particles, that explains why they have either a positive or negative charge. Since electrical signals contain charges, that also explains why they are often based on ions. Your answer would be D!
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- TetraFish
DNA, also known as deoxyribonucleic acid, is the molecule that contains the genetic code of organisms; a genetic code that determines all the characteristics of a living thing.
The answer is 'Genes and Chromosomes'...
ive recently taken a quiz w/ this question on it!
Natural acids because chemicals erode rocks in chemical weathering
