The correct answer to this open question is the following.
Although there are no options attached we can say the following.
Farming practices affect Earth systems in that after some time of growing crops, the practice of agriculture can erode the soil of the Earth.
Yes, the soil that once was fertile can become infertile due to agriculture.
In order to have better crops, farmers also use pesticides and insecticides that damage the environment and the systems of the Earth.
These pesticides and insecticides contaminate the soil of the Earth, including plants, trees, and vegetation in general. These are toxic chemicals that can hurt birds and other important animals in the ecosystem.
You would just multiply across for example

Then simplifiy if needed
Germany
Denmark
Netherlands
Explanation:
- Some of the countries are in the first ten in one area, but not in the other.
- For example, United States are second in the area of productivity index, but are on the 13th place when it comes to human development.
- What is interesting that European countries, especially Scandinavian countries are high on both lists.
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The leader to build a bigger and more powerful navy in the civil war was "Alfred Mahan"