They saw how smoking effected the body since smoking was pushed as something good for a long time, a lot of people started smoking and after a few years doctors finally saw a difference between a smokers body and a non smokers body
Answer:
I think It A
Explanation:
I read about it, so take your chance.
It would affect our environment very badly. The following reasons are why it is bad: 1)Trees are our main supply of oxygen. 2) Corn is slow at converting carbon dioxide into oxygen. 3) Many wildlife creatures (plants and animals) need that ecosystem to live.
Answer:Photosynthesis is a process of cooking food by green plants using oxygen, Carbon dioxide, sunlight, water and minerals.
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It enters through the stoma.
