No blacks are 100% human.. people are black because of the pigments in your skin. That is why we have light skins and dark skins not because light skins are more human than dark skins.
In science a hypothesis is useful only if...
1: it could be tested
2: their are two separate group
3: it's supported by evidence and facts
Stable elements are those which have atleast one isotope with no tendency to "decay", i.e., change into anotherelement.
Answer:
D
Explanation:
Since Adenine (A) pairs with Uracil (U) in RNA, Thymine(T) pairs with Adenine but Adenine doesn't pair with Thymine in RNA and Guanine(G) and Cytosine(C) then the nitrogenous pairs would be like this.
GCATTA
CGUAAU