Part A is B and Part B is D.
<span>D.) N the US, where land is plentiful, "</span><span>both homes and farms tend to be larger"
Hope this helps!</span>
Answer:
ANSWER
Many scholars believe that the collapse of the Indus valley civilization was caused by climate change...By 1800 BCE, the Indus valley civilization climate grew cooler and drier , and a tectonic event many have diverted to disrupted river systems