Answer:
Smoke hood. Garrett Morgan invented a safety hood smoke protection device after seeing firefighters struggling from the smoke they encountered in the line of duty. ... Disguised as Big Chief Mason, he would enter the tent full of black smoke, and would remain there for 20 minutes before emerging unharmed.
Answer: 9,000
Explanation: 24 divided by 4 = 6 x 15 = 90 which is 9,000
Explanation:
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