Question

a certain number of population ideal for sustainable use of available resources​

Answer 1

Answer:

Many scientists think Earth has a maximum carrying capacity of 9 billion to 10 billion people. [How Do You Count 7 Billion People?] One such scientist, the eminent Harvard University sociobiologist Edward O. Wilson, bases his estimate on calculations of the Earth's available resources.

Answer 2

Somewhere between 9 billion-10 billion people

Explanation:

• The more we use more resources than the Earth can sustainably supply and create more waste  than it can handle, the less likely the Earth can fulfill the resources needs of humanity in the future.
• In reality there are limits on the amount of food the Earth can produce, aside from the restricted supply of fresh water.
• The ideal population is a philosophy in which the human population should achieve a nominal population size with an acceptable living standard for all inhabitants and that where our resources is able to sustainbly provide. The present  population is 3 times the Sustainable Level