A unit used to <measure> the loudness of sounds is a decibel (dB).
measure (v): ฤo
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thief
Give points!
5
10
15
20
25
rocket
Go to first place!
Okay!
shark
Other team loses 25 points!
Okay!
banana
Go to last place!
Oops!
15
Letโs take some pictures of the factory and the lake to <illustrate> our presentation.
illustrate (v): minh hoแบก
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15
The <algae> will poison the fish.
algae (n): tแบฃo
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15
The government should give heavy <fines> to the companies that are polluting the environment.
fine (v, n): phแบกt/tiแปn phแบกt
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15
Can you name some point source and non-point source pollutants?
PS pollutants: industrial waste from factories, sewage from households, pesticides and herbicides from farms, etc. NPS pollutants: storm water, atmosphere, etc.
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15
The word โpermanentlyโ is similar to ______. A. temporarily B. partially C. forever D. rarely
C. forever โ permanent (adj): vฤฉnh viแป n; permanently (adv)
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15
The sight of too many telephone poles, advertising billboards, overhead power lines, or shop signs may cause _______ pollution.