The next chapter has a lot of difficult information in it. You should start stuffing right away. :)
While revising, the error that should be correct is the run-on sentence.
Yes it's a assertion due to the simple fact that im the statement you have made you have a fact that is given " it was one of the most important equation..." that was a fact that was given
now mind you assertion means a statement of forceful fact or belief
so yess it's a assertion
Answer:
to start recycling plastic so it doesn't end up in the ocean.