Answer:B.
It was used to prove that smoking causes health problems.
Explanation:
Answer : The Aerobic exercise improves the oxygen purifying capacity of lungs. So, one can breathe in more oxygen through inhalation and then more oxygen is transferred to muscles in the body, also carbon dioxide is given actively out of the body through exhalation. All these gives body more energy to perform daily tasks and stay fit and healthy.
The entire food web would be affected
Answer;
Ribosomes;
Explanation;
Ribosomes are organelles that are found inside a cell attached to the rough endoplasmic reticulum or freely suspended in the cytoplasm.
The are responsible for the process of translation which synthesis proteins in the cell.
Therefore; a pesticide that kills an insect by interfering with
the production of proteins in the insect would
most directly affect the activity of ribosomes.
The prokaryotic cell lacks a nucleus and membrane bound organelles.