The oldest client is at more risk for heart failure. A third heart sound is caused by a sudden reduction in the speed of blood flow from the left atrium to the left ventricle. It is said to be a normal phenomenon for young people and athletes but in older people who do not exercise, it indicates a congestive heart failure.
A, it is a self-defence mechanism, where they only do it if they have to.
Hope this helps!
Direct characterizaation is what the author says about the character.
So B would be correct
Photosynthesis is important to living organisms because it is the number one source of oxygen in the atmosphere. ... Green plants and trees use photosynthesis to make food from sunlight, carbon dioxide and water in the atmosphere: It is their primary source of energy.
