1. Revise
2. Be calm
3. Be hydrated
4. Be positive (your going to pass this exam, I believe in you)
and 5 Good Luck mate.
30 I think I'm not really sure tell me if it's right or not
Answer:
A
Explanation: Unsalted pretzels and cheddar cheese
I think 15-30 but I'm not totally sure
They must update them immediately so that the people using the chemical will be aware of this.