Final answer:
Human activities, such as pollution and oil spills, disrupt the balance of the biosphere, leading to potential global climate change and impacting our ability to survive.
Step-by-step explanation:
Human activities, such as pollution, oil spills, and events, have damaged ecosystems and caused potential global climate change. These activities disrupt the balance of the biosphere, which ultimately impacts our own ability to survive. The health of Earth depends on understanding these cycles and taking measures to protect the environment from irreversible damage.