A duplex is a single structure having two separate parts.
Answer:
Why don't you
Explanation:
Id like to learn French,why dont you take some lessons
I would say that the pair of lines from the passage that contains a change in intonation is the first one:
But all the time / I'se been a-climbin' on
Because it shows a change in the tone of a poem.
Answer:
they eat either truffles or other fungi
Explanation:
we suggest that birds may be an overlooked and vital disperser of mycorrhizal fungi