The answer is Hydrologist
The correct answer is letter D, air. This is a type of bacteria that is often found in soil. Its culture is highly dependent on the moisture that develops on the ground. The water cycle provides such opportunity for these bacteria to grow in moist conditions. The evaporation and condensation of water that occurs within the atmosphere of the Earth gives these bacteria the ability to thrive.
It's the glycogen.
Glycogen is a complex molecule made from glucose, it's a ramification of about 12 to 18 molecules of glucose, and it's the metabolic energy reserve.
When we need energy, the first to get metabolized is glycogen.
You can find most of the glycogen in the liver and a bit in muscles.
B. A question
You need to think of a question to begin to make an experiment, otherwise how do you know what you’re trying to find?