A -B
А
Diagram 1
Diagram 2
Diagram 3
2.1. Identify:
(a) A
(b) B
(1)
(c) C
(1)
2.2 Identify the phase represented in DIAGRAM 3.​

well you see its b

Explanation:

its just b

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.