The answer is the 4th option because they don't use oxygen, that's what they produce
Answer:
convection
Explanation:
The only way convection can only take place in liquids and gas.Since the marshmello is neither,convection is the least effective way
The startling answer is:
The bacteria ate the agar and reproduced (made more bacteria). There are so many of them now that you can see the blob of them.
Answer:
2,3, and 4 in ED are the correct answer choices
Explanation: