The answer is: Para because Por means by and Para means for
B. Contaminación del aire
Answer: Tenths.
Explanation: The place value of 2 in 84.265 is tenths because the number is right after the decimal point.
I think its bajara which means go down and subira means go up .
In English:
Observe the angles that form these lines when cutting and complete what type are already resolved exercise