CH2OH is the primary and CR2OH is the secondary
“por” would go in the blank because it’s referencing time
Hope this helps
E. advérbio <span>você precisa ler bem e procurar o significado de cada coisa que <span>você vai ajudar</span></span>
Answer: B.
Explanation:
If you subtract 350 from 500 it gives you 150 which is half of 300 because 150+150=300
