Allele, gene, chromosome and then nucleus
the answer is option D .size
Answer:
By avoiding the factors due to which the disease occurs.
Explanation:
Seniors can combat health problems they may face by avoiding the factors which contribute in that health problems. For example, chronic disease occurs when the individual consume foods with more cholesterol so for reducing the risk of this disease the person should avoid the intake of food with high cholesterol levels. If they don't avoid the intake of such type of food so this disease may lead to death by closing the valves of the heart.
Gas exchange because each stoma in the leaf can be opened or closed. In the light the guard cells aboard water and become turgid and the stoma opens
The answer to this question is H.
