Karan's country wants to hold reserves of a foreign currency, which can give them a stable investment. Which currency should Karan's country choose as a reserve currency?
Karan's country should choose the
as a reserve currency, because it is considered the world's reserve currency.

Okay, biology isn't exactly my strongest subject (it never has been), but i'm pretty sure the answer is nucleotides. dna is made up of nucleotides. each nucleotide contains a phosphate group, a sugar group, and a nitrogen base. there are four different nitrogen bases: adenine (a), thymine (t), guanine (g), and cytosine (c). a always pairs with t, and g always pairs with c.

Ithink the answer would be b