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:
<h2>True</h2>
Explanation:
<h2>Arturo spend his time on watching tv too much</h2>
It produces a hydrazone in which the carbon is attached with the nitrogen atom with the means of a double bond.
Answer:
sure and the answer is 1.902071808e+13
Explanation: