alleryMatch air source: 1. Car: p. Exhaust 2. Coal: q. Fly ash 3. Dump: r. Methane
A1-p, 2-q, 3-r
B1-p, 2-r, 3-q
C1-q, 2-p, 3-r
D1-r, 2-p, 3-q
Answer & Solution
Correct answer: A. 1-p, 2-q, 3-r
Cars emit exhaust gases, coal combustion releases fly ash, and open waste dumps emit methane gas.
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