They had a huge _____ of snacks so they we're ready for their trip.
supply
They didn't know the correct _____ of chemicals to use in the science experiment so they asked the teacher.
amount
The teacher said this was unacceptable _______.
behaviour
She was too tired so her parents asked the teacher to_____ her homework.
decrease
Animals must make sure they have a good _____ of food to last through the winter.
supply
If you increase the _____ of sleep you get you will feel happier.
amount
The doctor said you must _____ your sun exposure to get more vitimin D.
increase