Caused by the body clearing out the chemicals that enter through the airways and lungs through tobacco use. Leads to a variety of other conditions like bronchitis, higher risk of bacterial and respiratory infections, emphysema, COPD, and lung cancer
Hope this helps you!
A gene is a small segment of DNA that contains the information required in order to build a protein!
Answer:
Explanation:
Option D blue whale is the correct answer
you didn't list choice but i'm guessing chloroplasts
