b. Choose the correct answer.
seawater to
1 Desert countries on the coast
make it potable.
A produce B estimate
3 Our school is organising a event for
endangered animals this Saturday.
A fundraising B sustainable C hatchling
C treat
2 The city planned to the town hall so that it
is more eco-friendly.
A estimate B refurbish C preserve
4 John is a volunteer and helps protect and
the national parks.
A conserve B monitor C treat
buildings consume less energy and water.
A Geothermal B Sustainable C Automated
Grammar​