How has the elderly dependency ratio changed in Japan in the last 20 years?

While both countries have high life expectancies, Japan's eighty-five-year life expectancy is among the world's longest, leading to a higher elderly dependency ratio in 2017. Additionally, the countries vary in their views of international migration as a population stimulus.

the answer is option c.

explanation:

recycled water alludes to the water that being utilized again after it already  used for farming purposes.   this kind of water frequently contains pharmaceutical gathering due to the compound compost that is utilized for the plants is consumed into the water.

the answer is the last option or letter d)