Answer:
How did Mandarin become the official language? All of the official spoken languages were once dialects. Mandarin was one of the 10 major dialects in China and it officially became the national language for China in 1911 after Dr. Sun Yat Sen overthrew the Qing Dynasty.
Answer:
c) bulb
Explanation:
Airborne chemical substances travel up the nose to the olfactory <u>bulb </u>, which is the receptor got smell
I believe the answer is A or C
The answer is, infact, D. You were right.