Tham Gia Group Dành Cho Lớp 7 Chia Sẻ, Trao Đổi Tài Liệu Miễn Phí
IX. Choose the correct answers to complete the passage.
CARBON FOOTPRINTS
Everybody has a carbon footprint – it's the (1).
dioxide we produce with any action or activity. (2).
dioxide contributes to 'greenhouse gases', our carbon footprints have
a direct impact (3).
of carbon
carbon
th ...
2
91
2
:)