Answer:
Chitin
Explanation:
A fly's main body is made of a thorax and an abdomen. These parts are covered by a hard exoskeleton made of a bony substance called chitin.
When all the electrons are placed in their orbitals!!!
Answer: can be considered to be both an acid and a base
Explanation:
The answer is CI because that is the largest
Answer:
A machine cannot be 100 percent efficient because output of a machine is always less than input. A certain amount of work done on a machine is lost to overcome friction and to lift some moving parts of the machine.
Explanation:
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