A. <span>Pollution made in one country might contaminate the ground, water, and air of other countries.</span>
The answer is 3(x-2)(x+2)
While I'd skip the whole idea of reading specific bytes, if it's really worth while for your program you'll probably need to take charge of the file reading yourself so that you can keep track of exactly where you are in the file at all times.
Answer:
the tissue in plants that conducts water and nutrients upwards from the root
