Modern, human-caused climate change is escalating the threats that make sea walls necessary. Sea levels are rising, putting communities at greater risk from floods. Storms are intensifying, causing more and more sand to erode from beaches.
Answer:
I would say A
if I am wrong, I am sooo sorry.
Explanation:
the answer is a
(context) There was an abundance of trees along riverbanks where sawmills were established.
(more context) I also took the test