This is considered false. Although the percentage of all air remains the exact same regardless of altitude, it all matters about the air pressure in the atmosphere. Even though the percentage would be the same, there would be fewer oxygen molecules at higher altitudes and lower pressure.
Hi
Well, firstly, <span>Root hairs allow the plant's roots to cover more ground,in this way, giving it the opportunity to extract more nutrients and water from the soil. That's how it works</span>
Answer: B
Explanation: I took the test and I got this answer correct!
I believe it was The Continental Drift Theory , i could be wrong