Answer: equatorial diameter is greater since the earth doesn't have the exact shape of a sphere. earth has a shape of geoid.
Explanation:
5 ways in which we can conserve our resources​
I'm guessing your question is referencing our natural resources like water, electricity, etc.?
1. Keep lights off in rooms that are unoccupied
2. Take shorter showers
3. Use or invest in solar panels
4. Avoid using too much plastic
5. Recycle
All this is relevant as if we don't protect our planet, then our natural resources will slowly die off ya know