Whats the answer dont send a file please

Iwill give brainliest only if your correct the words subsequent and submerge both contain the prefix sub. based on this information, what does the prefix sub most likely mean? a) under or secondary b) true or verifiable c) tricky or difficult d) around or centered on

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

In a column proof the right column states your reasons