2) Complete the sentences by using the words in the box.
threatens
increases
pollute
responsible
protect
temperature
climate change
greenhouse effect
a. I am __________________________ for setting the table.
b. Some factories _________________ the environment.
c. There are a number of things we can do to _______ our environment.
d. The __________ is above average this winter
e. A: What __________ the environment ?
B: Pollution, global warming and deforestation .
f. The population __________ every year.
g. A major cause of ___________________ is the burning of fossil fuels to
create energy.
h. The __________________ is a natural process that warms the Earth's
surface.