For observation and research. This is to analyse their features, structures, physiology and other possible mutations -genetic structures that have caused it to arrive at this rate.
Cancer cells are the result of those cells that deviate from the normal life cycle of a cell. These cancer cells refuse to die and rapidly increase in number due to the uncontrollable burst of cell division.
The answer is C. Carbon Dioxide and also A) water
Plants and algae use carbon dioxide and water in presence of sunlight to perfrom photosynthesis. Oxygen is a by-product of this process and is used later by the plant for respiration.
Sugar and starch are Carbohydrates.
The pericardium <span>is a double-walled sac containing the heart. The </span>pericardial<span> sac has two layers, a serous layer and a fibrous layer.</span>