Answer:
consisting of one new and one old chain of nucleotides.
is described as semi-conservative, half of the chain is part of the original DNA molecule, half is brand new.
The answer is A, anti-fungal drugs.
According to the passage, "but if the problem persists, see a doctor who can prescribe anti-fungal drugs". In additional, at the beginning of the passage, it already stated that athlete's foot is caused by a fungus, so we can sure that the answer is A.
C. Shield Volcano.. think of Hawaiian volcanoes,they are basaltic eruptions, very effusive and unexplosive and are characterised by slow lava movement and very little tephra from the eruption. The basalt erupted is very hard, dense rock and so can be built up easily.