唔該幫我搵下以下ge答案
1.Plants give off oxygen in the process of _________ .This helps to keep the balance of nature.
2.We should not overuse ___________ resources. If not,the ecosystem's environment will be destroyed.
3.Over-hunting causes some species to face _____________. It also destroys the food__________.
十萬個唔該!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Science
2010-02-01 12:47 am
回答 (4)
2010-02-01 2:38 am
✔ 最佳答案
1.Plants give off oxygen in the process of photosynthesis .This helps to keep the balance of nature.2.We should not overuse natural resources. If not,the ecosystem/ environment will be destroyed.
3.Over-hunting causes some species to face extinction. It also destroys the food sources.
2010-02-05 2:04 am
1.Plants give off oxygen in the process of _photosynthesis_ .This helps to keep the balance of nature.
2.We should not overuse _natural_ resources. If not,the ecosystem's environment will be destroyed.
3.Over-hunting causes some species to face __extinction__. It also destroys the food_chain_(食物鏈).
2.We should not overuse _natural_ resources. If not,the ecosystem's environment will be destroyed.
3.Over-hunting causes some species to face __extinction__. It also destroys the food_chain_(食物鏈).
參考: 小時候學既
2010-02-02 6:13 am
1.Plants give off oxygen in the process of _photosynthesis_ .This helps to keep the balance of nature.
2.We should not overuse _natural_ resources. If not,the ecosystem's environment will be destroyed.
3.Over-hunting causes some species to face _extinction_. It also destroys the food_chain_.
2.We should not overuse _natural_ resources. If not,the ecosystem's environment will be destroyed.
3.Over-hunting causes some species to face _extinction_. It also destroys the food_chain_.
2010-02-01 3:19 am
1.Plants give off oxygen in the process of photosynthesis .This helps to keep the balance of nature.
2.We should not overuse natural resources. If not,the ecosystem/ environment will be destroyed.
3.Over-hunting causes some species to face extinction. It also destroys the food sources.
2010-01-31 19:20:33 補充：
Try to learn more
http://elearning.spc.edu.hk/staff/hly/F1/Coursebook_2.doc
2.We should not overuse natural resources. If not,the ecosystem/ environment will be destroyed.
3.Over-hunting causes some species to face extinction. It also destroys the food sources.
2010-01-31 19:20:33 補充：
Try to learn more
http://elearning.spc.edu.hk/staff/hly/F1/Coursebook_2.doc
收錄日期: 2021-04-15 21:54:26
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100131000051KK03036