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.
Sedimentary rocks are formed from pre-existing rocks or pieces of once-living organisms. They form from deposits that accumulate on the Earth's surface.
I got two, but I could be wrong.
Answer:
2, 6 are the one you should select
Explanation:
Because its decayed organisms. So all the nutrients from that decayed organism goes into the soil and makes it rich with nutrients.