Answer:
2.55° C
Step-by-step explanation:
T=4500/x
x= 1200 m ⇒ T= 4500/1200= 3.75° C
x= 3750 m ⇒ T= 4500/3750= 1.2° C
The difference in temperature= 3.75 - 1.2= 2.55° C