• 大气层
8. fossil fuel
• 化石燃料
9. carbon dioxide
• 二氧化碳
10. renewable source
• 可再生资源
11. non-renewable source
• 不可再生资源
12. Natural resources
• 天然资源
• Now that we have learned some sources of energy are non-renewable, What should we do with energy ?
Carbon dioxide has caused the global temperature to __g_o__u_p____. An increase of five degrees would be a _c_a_ta_s_t_r_o_p_h_e_ and could be _v_e_r_y__s_e_ri_o_u_s__.
giving examples, using graphs, explanation
Part3 (6)
List two different attitudes among scientists towards global warming.
giving examples, making contrast
makes the greenhouse
_h_e_a_t_u_p___and so the
plants can grow throughout the cold period.
What function do greenhouse gases play?
Greenhouse gases perform the same function