What would it mean for a global ecological footprint to reach its peak, and what kinds of factors might contribute to a potential decline in the ecological footprint?

This is a coral reef ecosystem. many biotic and abiotic factors affect the health of this ecosystem. which set correctly pairs a biotic factor and an abiotic factor?

Which type of scientific statement is defined as a hypothesis or group of hypotheses that can be accepted as true based on the repeated experimentation with similar results

Which blood cell spend most of their time in the lymphatic system?