The atmosphere is made out of 78% of nitrogen and 21% of oxygen with 1% of other gases (Carbon dioxide, Argon,and Helium)
1: prepare to evacuate
2:listen to emergency channels if possible
3: determine the statues of the fire
4: depending on location if possible take a house and wet down your roof and surrounding areas only if you have time.
here are a few, try to determine some on your own. you are always smarter than you think!
Answer:
4) No control group was used.
Explanation:
In order to check the side effects of this multivitamin tablet. It is first important to establish a control group. If the control group does not have the side effects which the treatment group of individuals (those who have taken the multivitamin tablet) have, it shows that the side effect is purely because of the tablet.
Valleys waterfalls floodplains meanders and ovbow lakes are 5 features
