-
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pn,
waste
had the biggest influence of the three on total water pollution in
the lake.
Next, I'd like to tell you about five
different wastes: mayonnaise, milk,
Graph B
How much water do we need to make it clean?
used cooking oil
(20ml)
mayonnaise
(20ml)
shampoo
(20ml)
shampoo, soy sauce, and used cooking oil.
20
They are used and drained in homes
17
every
day, so I studied about them. Please look
5
at Graph B. It shows that cleaning
Soy sauce
3
(20ml)
milk
1
(20ml)
wastes needs a lot of water. 20ml of milk
needs 300 l of water to make it clean.
15
bathtubs ofwater
0
5
10
20
That's 1 bathtub of water.
think that's a
lot of water!
20ml of soy sauce needs
|e of water. Mayonnaise needs more
water than shampoo, and used cooking oil needs the most water of all. Now what
can we do at home to reduce water pollution? It's not so difficult. For example,
I decided to write a report about how to reduce water
08
pollution and tell my school friends about it. I hope we can enjoy swimming in the
lake some day. What do you
think?
Your friend, Serina
caught: catch「~をとる, つかまえる」の過去形
graph(s) : グラフ
(注)report : レポート
polluted : 汚染された
library : 図書館
