Answer:
D.
Explanation:
The ad may not be specific on the side effects of the product, the downsides, or the success stories, which may leave you feeling skeptical of the product.
Answer:
Options B and D
Explanation:
In animals, gaseous exchange takes place in the alveoli in the lungs. Generally, animals breath-out (exhale) carbon dioxide and breath-in (inhale) oxygen. Thus, carbon moves from the blood in the form of carbon dioxide into the alveoli in the lungs while the oxygen inhaled moves from the alveoli in the lungs to the blood where it is transported round the body as oxyhaemoglobin.
Yes it is. That is correct.
The process of removing toxic substances or qualities.