Every ten minutes, one species of animal,plant,or insect dies out for forever.If nothing 1( be) done about it,one million species that are alive today

Every ten minutes, one species of animal,plant,or insect dies out for forever.If nothing 1( be) done about it,one million species that are alive today (become) extinct twenty years from now. Fortunately,somebody is trying to do something about it. In 1961, the World Wildlife Fund(found) a small group of people who( want) to raise money to … Đọc tiếp