Trachea Windpipe know as trachea
40000 cm
Since 1m = 100cm
Just multiple your number by 100
AI2 S3 , you need the most common oxidation numbers for the two elements
AI: 3+
S: 2-,2+4+ and 6+
AI2 S3 is Aluminium Sulfide which you get from the reaction of the elements: SAI + 3S to get AI2 S3
hope this helped :)!
I believe it is False because to hit a set you usually use both hands.
