Answer:
Water
Explanation:
The main things living things need to survive are food, air, sunlight and water. You have to stay hydrated for your body to continue functioning
<h2>Question</h2>
The more physically fit you are
<h2>✒ Answer</h2>
D. the lower your resting heart rate
<h3>Full sentence</h3>
The more physically fit you are the lower your resting heart rate
I think no model is more conducive