The two cell layers being referred from the question are a layer of alveolar cells and layer of endothelial cells. Gases must diffuse to these layers to proceed to the plasma. The layer of alveolar cells make up the alveolar wall while the layer endothelial cells consist the capillary wall.
Answer:
B. They are easily converted to cash is the correct answer.
Explanation:
- Stocks and bonds are the main forms of investments.
- bonds are the debts and it can be issued by the government, city, or company.
The owners of the bonds are called bondholders,
- Stocks are the shares that are utilized to explain the ownership of a company and they are issued by corporations.
The owners of the stocks are called stockholders.
bonds and stocks both are convertible and they both are categorized as securities.
