Decreased interest in activities because it brings you down and unmotivated you
A leaf is an organ because the leaf is made of lots of tissues. It helps the plants.
The answer is C. influenza, chicken pox, and colds because influenza, chicken pox, and colds (called rhinovirus) are all caused by viruses. Food poisoning is not a virus, athlete's foot is a fungal infection, and strep throat is a bacterial infection.
True, we can cure things that we couldn't before. Even things like the common cold used to be deadly.
Against the law obviously
