Math
science
djbvo
vgxcbv
jbjbxj
100

1+1

2
100

what happens to the earth?

People litter.

100

ckdbcj

n csbcbkjbj

100

 x,bjzb

 bvbbnk

100

bxbkb

x mx m

200

50+50

100

200

how does that happen

bad things happen because of people

200

cxjcbsb

 c bdjb

200

db kcbxkc

 xjkxjzljx

200

fsvf

384

300

100+100

200

300

bcbcdblb

vbjxbckbl

300

bkb

 ncm

300

cjbj jcx

c   ckjkxkcjxb

300

fkcfh

xnnx

400

3+3

6

400

nlcbllk 

  cb kjdbkb

400

mdlsb

 x  xdbvc

400

xzbzk

bdkxbjbcxcxbbx

400

kxnxz

ur483476t573

500

60-60

0

500

clldnkbck

klkl lnvk 

500

b jkcj

jlsncksck

500

dcbcbx

xjxjcjhxh

500

fhdihi

2t3279y8499-33932y84y

M
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