Question

7 : It is difficult to breathe at high places because ______________.

a. The body stops working properly

a. Air is thin at low pressure

b. Due to freezing of air

c. Nose has to work hard to breathe​

Answer 1

Explanation:

7 : It is difficult to breathe at high places because the air is thin at low pressure.

a.) The body stops working properly

b.) Air is thin at low pressure✔️

c.) Due to freezing of air

d.) Nose has to work hard to breathe

Option (b) is your correct answer.