The answer here <em>could </em>be either B. or D. But B. is the most correct, given that the question is so general.
You are correct! Just follow the diagram and look up the definitions of the words.
Busy highway thats why they build sound barriers when a residetial area is directly next to a highway
<span>Despite the fact that
China's agriculture output is the biggest on the planet, just around 15% of its
total land zone can be used to cultivate. China's arable land, which makes
about 10% of the total arable land on the planet, supports more than 20% of the
total populace.</span>
