Citizens in receive 1.4 years of education on average.

Citizens in

earn $906 annually on average.

This chart suggests that countries with a short life

expectancy and low income have a HDI

ranking

The correct answer is (a.) in the coming years, the reyes family will save money because solar power requires little maintenance, and the energy used is free.

Can you maybe send me a screen shot of the map? it would really me you. : )

Answer is b)eutrophication occurs when excess nutrients are present in aquatic ecosystems, resulting in the increased production of plant life and the subsequent decrease in the oxygen levels of the watereutrophication occurs when there are excess nutrients in a body of water. this results in plants having more food and reproducing  more, sometimes leading to more aquatic animal life as well. ultimately, this can reduce the oxygen level in the ecosystem.