Sample Response:
Bacteria are helpful because they produce oxygen, which our bodies need to breathe, and they help us to digest the food we eat. Bacteria are also helpful because they are used in medicine to help us overcome disease. Bacteria are harmful because they can cause tooth decay and illnesses that can be either common or quite serious.
This is a sample response, so it's 100% correct. Peace!
Answer:
they have in common is fats
It would b B.physically because solution is a mixture and mixture is formed by physical change not by chemical
Answer: hypothesis is a if then statement for ex
Explanation:ex: if I study for a test then I will ace it
