Brazil's coastline is 7,491 km and Argentina's coastline is 4,989 km. If you subtract, it will be 2,502
A property of fine-grained clastic rocks is that they are easily eroded.
<h3>Why are these rocks easily eroded?</h3>
Fine-grained clastic rocks have small fragments and grains which make them lighter than other rocks.
As a result they are more susceptible to weathering which then allows them to be easily carried off by water or air.
In conclusion, option A is correct.
Find out more on weathering at brainly.com/question/12734041.
