【正文】
at effect on the world population. if the population continues to increase, if the air and water continue to be polluted, if we dont do something to protect wildplant and wildlife species will be declining. species and biological munities have difficulty adapting to change. economic opportunities and the quality of life of future generations are also put at risk. by protecting nature, we protect ourselves. lets unite together, hand in hand we stand all across the land. we can make this world in which to live. hand in hand. control the population growth. take good care of our nature. 。此資料由網(wǎng)絡(luò)收集而來(lái),如有侵權(quán)請(qǐng)告知上傳者立即刪除。資料共分享,我們負(fù)責(zé)傳遞