Answer:
beacuse water is same every where because it is the combination of h2 +o2 h2o which doesn't change while it is different
Explanation:
ok
Answer
let the oxidation of sulphur is x
2(+1)+x+4(-2)=0
+2+x-8=0
+2-8+x=0
-6+x=0
x=6
Explanation:
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B. The study of matter and energy.
Because physical science is everything that doesn't include organic things.
Answer:
more genetic variation within a population usually enables more phenotypic variation.
Explanation:
Because natural selection acts directly only on phenotypes, Some new alleles increase an organism's ability to survive and reproduce, which then ensures the survival of the allele in the population.
Choice A is the correct one