1.
Global warming 1
is causing changes 2
in the sea level. 4
Scientists 1
have recently discovered 2
that the sea level 3
long the coast 4
of Maine 3
has risen 30-50cm 2
and along the coast 4
of Nova Scotia 3
as much as 60cm s 4
since 1750 AD. 4
They 1
were able 2
to go back 3
in time, 4
so to speak, 3
by studying the evidence 4
of change using accurate sea-level estimations 4
based on analyses 5
of salt marsh peat. 4
"This 1
is the first time 2
that the rise has been adequately dated. 6
This 1
is also the first time 2
that _________________________, 6
several hundred miles apart," 4
explained a researcher 5
from the University 4
of Plymouth in the UK. 4
(a) the existence 1
of salt marsh peat 4
has been recorded 2
(b) we 1
have proven 2
different coastal lands are sinking 3
(c) the same kind 1
of ancient ruins 3
have been found intact 2
(d) it 1
has been documented 2
and verified 2
in two locations 4
-----------------
1.
Global warming 1
is causing 2 <=
changes 3 <=
in the sea level. 4
Scientists 1
have recently discovered 2
that the sea level 3
long the coast 4
of Maine 3
has risen 30-50cm 2
and along the coast 4
of Nova Scotia 3
as much as 60cm s 4 => 2
since 1750 AD. 4
They 1
were able 2
to go back 3
in time, 4
so to speak, 3 => 4
by studying the evidence 4
of change 3 <= //
using accurate sea-level estimations 4 => 5
based on analyses 5
of salt marsh peat. 4 =>3
"This 1
is the first time 2
that the rise has been adequately dated. 6
This 1
is also the first time 2
that _________________________, 6
several hundred miles apart," 4
explained a researcher 5
from the University 4
of Plymouth in the UK. 4
(a) the existence 1
of salt marsh peat 4 => 3
has been recorded 2
(b) we 1
have proven 2
different coastal lands are sinking 3
(c) the same kind 1
of ancient ruins 3
have been found intact 2
(d) it 1
has been documented 2
and verified 2
in two locations 4
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