อยากได้แบบฝึกหัดฟรีนับพัน (ไม่มีสิ่งรบกวนเลย)?
Created by
Sudheer_Goud9
-
Biology
-
Air poolution
-
Age 9-11
-
level: 9
-
English
คำแนะนำของผู้เขียน
Think about what you have learned about air pollution. Do you think that most air pollution comes from natural sources or human activities?
My Google Classroom Courses
Quick Access
All Classes
Created by
Sudheer_Goud9
-
Biology
-
Air poolution
-
Age 9-11
-
level: 9
-
English
คำแนะนำของผู้เขียน
Think about what you have learned about air pollution. Do you think that most air pollution comes from natural sources or human activities?