At high altitudes, the air pressure is lower and it is more difficult for us to breathe because we cannot take in enough oxygen.
<span>c. sepal is sterile. i hope you know what sterile is :)</span>
Answer:
B
Explanation:
An object at rest will stay at rest unless acted on by an unbalanced force and an object in motion will stay in motion unless acted on by an unbalanced force.
eg. Arrow in space with no gravity will go forever because of the lack of gravity and no air resistance but the opposite is true on Earth.
Answer:
lol, good luck dude ur gonna need it.