Answer:
higher altitudes have a lower level of oxygen which in turn, trains your lungs to hold and breathe more oxygen which also helps you cycle, run, etc. longer than usual
Explanation:
The Vascular system transports water and sugars throughout the plant during photosynthesis.
Answer:
A. What is the effect of pesticides on the environment
Explanation: I just took the test
Answer:
4
Explanation:
2+2=4. It is a very complex equation. Hope this helps!
-Aslina
