Forests capture and store water and can play an important role in providing drinking water for millions of people in cities,villages and towns.Forest contribute to the reduction of water-related problems like floods by absorbing water through their roots and storing it in the ground.
Australia/Oceania is the smallest continent
Yes, organic material in soil is more productive.
The answer is option number 4. If you do the math, the sides are simply scaled by 3.
