Answer:
The answer is Carbon.
Explanation:
Carbon is the basic element where the most energy is stored and used as a fuel.
Answer: If they are introduced to a new environment unlike their previous ones, which is wet, damp, moist, and humid areas, the population of toads in the area will most likely die, and the insects will become overpopulated (or rapidly grow)
Explanation: Because the food chain needs to stay stable!
I would say B is the answer because Athlete's Foot is an infection, African Sleeping Sickness is caused by a parasitic disease, and tuberculosis is a disease.
