resource, clean drinking water is a crucial 'uroeecsr' that wel all need, run out, we need to be careful. we don't want our clean water supply to 'nru oru', scarcity, water 'yiacctrs' is one of the biggest challenges that future generations have to deal with., convert, scientists are trying to find a way to 'tnvcreo' seawater into water that we can drink., accessible, a lot of water isn't 'aecscslbie' because it's frozen in the polar ice caps. , store, the ice caps in the North Pole and the South Pole 'eostr' huge amounts of water., extract, Humans have known how to 'ttxcrea' water from the ground for thousands of years., capture, it's impossible to 'ptecaur' water from the air using nets, shortage, Any water 'gtrhsaeo' will have an immediate effect on the population, lack, when there's a 'ckla' of water, plants and animals also suffer, waste, water is very precious, so we have to be very careful not to 'estaw' it'.

..

さんの投稿です
印刷
埋め込み

リーダーボード

表示スタイル

オプション

テンプレートを切り替える

)
自動保存: を復元しますか?