Answer: Environment is the simply the combination of biotic abiotic and abstract components available in our surroundings. Population means the people dwelling in that particular place for particular time. Health is considered as the state of wellbeing.
Step-by-step explanation:
These three things run side by side and can remain in good condition only if they are in harmony, otherwise there won't be balance and human life other creatures and whole ecosystem get hampered. A change on any one factors of them shows effect on others.