H_ b _ _ _T
HABITAT
R _ bb _ _ _ T_ _ s
RUBBISH TIPS
D_ sch_ r_ i _ g
DISCHARGING
E x _ _ _ c _ _ _ N
EXTINCTION
P_ _ _ _ _ _D
POLLUTED
F_ _ _ _ _ F_ _ _ _
FOSSIL FUELS
D_ _ p _ _ e O_
DISPOSE OF
R_ _ _ _ _ E
RECYCLE
B_ od _ _ r _ _ a _ _ E
BIODEGRADABLE
C_ n _ _ m _ _ _ t _ _ N (13 chữ cái)
CONTAMINATION
Em_ s s _ _ n
EMISSION
G_ _ _ N
GREEN
C_ n _ _ r v _ _ _ _ N (12 chữ cái)
CONSERVATION
S_ w _ _ E
SEWAGE
D_ _ _ _ _ _ _ _ _ _ _ N
DEFORESTATION
E_ _ _ _ _ _ _M
ECOSYSTEM