Answer:Carbon dioxide accounts for most of the nation's emissions and most of the increase since 1990. Transportation is the largest source of greenhouse gas emissions in the United States, followed by electricity generation.
Explanation:
Explanation:
2 is B, 6 B ,7 A that's I know I hope this may help you
It becomes more alkaline where pH will be more than 8
Answer:
B I think
Explanation:
there are 2 directions and in each direction there are 2 working in it