This is a process happens when land becomes desert people cut down trees and dig up grass.
#33051
A
when; because
B
that; because of
C
when; because of
D
which; because
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To improne the pmlity of our products we uaked for nuggratior a had used the producu.
#34749
A
whacver
B
who
C
whichever
D
which
He’ll never forget the years _______ he studied in Oxford University.
#33993
A
where
B
on which
C
when
D
which