The main function of the respiratory system is to –
2 answers:
The answer is D. Exchange gases, mostly carbon dioxide and oxygen, between the body and atmosphere!
The answer is d I believe
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23. a. Mn undergoes oxidation
b. S undergoes oxidation
24. a. Oxidizing agent - CuO
Reducing agent - H2
b. Oxidizing agent - PbO
Reducing agent - CO
halogens
Group 7A (or VIIA) of the periodic table are the halogens: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).
Answer:
question 1- is B
question 2- is A
*I hope this helps you guys out!
Ammonia is the compound NH3
