Table:
0
A
B
C
D
E
F
1
Gas name
Chemical formula
Lifetime (years)
20-yr
100-yr
500-yr
2
Carbon dioxide
CO2
See above
1
1
1
3
Methane
CH 4
12
72
25
7.6
4
Nitrous oxide
N 2 O
114
289
298
153
5
CFC-12
CCl 2 F 2
100
11 000
10 900
5 200
6
HCFC-22
CHClF 2
12
5 160
1 810
549
7
Tetrafluoromethane
CF 4
50 000
5 210
7 390
11 200
8
Hexafluoroethane
C 2 F 6
10 000
8 630
12 200
18 200
9
Sulfur hexafluoride
SF 6
3 200
16 300
22 800
32 600

Questions and formulas:
Question: What is the 100 year for Carbon Dioxide?
Formula: FILTER(E1,A1="Carbon dioxide")
Formula2: FILTER(E2:E9,A2:A9="Carbon dioxide")
Level: easy
Question: What is the 20 year for Nitrous Oxide?
Formula: FILTER(D1,A1="Nitrous oxide")
Formula2: FILTER(D2:D9,A2:A9="Nitrous oxide")
Level: easy
Question: What is the lifetime (years) for chemical formula ch 4?
Formula: FILTER(C1,B1="CH 4")
Formula2: FILTER(C2:C9,B2:B9="CH 4")
Level: easy
Question: What is the 500 year where 20 year is 289?
Formula: FILTER(F1,D1="289")
Formula2: FILTER(F2:F9,D2:D9="289")
Level: easy
Question: What is the 100 year when 500 year is 153?
Formula: FILTER(E1,F1="153")
Formula2: FILTER(E2:E9,F2:F9="153")
Level: easy
Question: What is the 20 year for Sulfur Hexafluoride?
Formula: FILTER(D1,A1="Sulfur hexafluoride")
Formula2: FILTER(D2:D9,A2:A9="Sulfur hexafluoride")
Level: easy