Question

People concerned with the environment and global warming usually try to reduce their carbon output by increasing

their home's energy efficiency and driving less. Some start by calculating their carbon footprint to set a benchmark -
- like a weigh-in before a diet. A carbon footprint is simply a figure -- usually a monthly or annual total of CO2
output measured in tons.
a. Everyone should reduce their carbon
output
C. People concerned with global warming
should know their carbon footprint so they
will know how they can reduce their carbon
output
d Everyone puts out tons of CO2 into the
atmosphere every day.
b
You should always calculate your carbon
footprint before going on a diet.

Answer 1

c.

People concerned with global warming should know their carbon footprint so they will know how they can reduce their carbon output.

Step-by-step explanation:

Answer 2

I think the answer is D