The answer is C. The Experiment!!!!!
Answer:
Cancer is unchecked cell growth. Mutations in genes can cause cancer by accelerating cell division rates or inhibiting normal controls on the system, such as cell cycle arrest or programmed cell death. As a mass of cancerous cells grows, it can develop into a tumor.
Answer:
most of the hydrosphere is salt water – around 97 percent – but the 3 percent that is fresh is critical for terrestrial and fresh water species
Explanation: