Question: Which of the following statements are true about our current state of the planetary boundaries? Group of answer choices All of the boundaries are considered to be in safe zones. The zones of biosphere integrity and biogeochemical flows are considered to be high risk. Land-system changes and climate change are considered to be an increased risk. Ocean acidification is not related to climate change. The zones of biosphere integrity and biogeochemical flows are considered to be high risk, and land-system changes and climate change are considered to be an increased risk.