Paragraph 2
The car-
satellite took 20 years to make and cost $1.2 billion. High-precision
will measure the water on 90 per cent of Earth's
. It will survey 2.1 million kilometres of
. It will find areas of water
that could threaten populations and
. NASA said: "SWOT will give us a ten-
improvement in the [
] of our measurements of water height." Scientists will understand
about the
oceans play in climate change.
