Answer:
A
Explanation:
cerebral, cerebrospinal, cerebrum
The answer is that they are the building blocks from which proteins are made.
3 is the answer. This harms the lungs. Nicotine can cause lung damage less fast than tobacco.
Cross-contamination refer to a condition where microorganisms are unintended transferred from one subject to another and causing harmful effect to them
One thing that is NOT an example of cross-contamination is : food is prepared one day in advance
