"The whole house was constantly in a state of inundation, under the discipline of mops and brooms and scrubbing brushes; and the good housewives of those days were a kind of amphibious animal, delighting exceedingly to be dabbling in water " On the basis of the context clue, what does inundation have to mean?

scrub
play
flood
clean

Flood because the house it being cleaned so it feels like a flood

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.