Answer:
A Semi-amplitude is half the distance of the peak-to-peak amplitude.
The right option is; A. carbohydrates
Carbohydrate is the most important energy source for the body and it is the macromolecule that provides a person with most of the energy that is needed for daily activities. The body breaks down and uses carbohydrates faster and easier. This makes carbohydrate a short term fuel source that provides the body's most immediate energy that is required for daily functions. Also the body prefers to use carbohydrate as fuel during some activities such as exercise. Sources of carbohydrate include brown rice, whole grains (barley, and oats), fruits and vegetables and beans.
I would say the garden has more oxygen. oxygen and carbon dioxide is completely 2 different elements. and since there are more plants, most likely, if it has enough sunlight, the garden will have a better oxygen, because for plant photosynthesis it releases oxygen as their by product.
however please note that if the garden is dark, no light, the garden will lower the oxygen concentration because plants respire and they release carbon dioxide instead. photosynthesis only occurs in light condition as its the source of energy.
Ketamine could lead to these sorts of secondary effects. By taking this medication, the patient would be made more comfortable, especially in the surgical setting, but it could also lead to secretions that might make it more difficult for the patient to have a clear breathing pathway during the procedure.