Answer:
20.9 percent
Around 78% of the air is nitrogen gas, and only 20.9% is oxygen.
Explanation:
20.9 percent
Around 78% of the air is nitrogen gas, and only 20.9% is oxygen.
Hope this helps.
I would go with C because people can also cause land pollution
Answer:
Enjoy your food but eat less. ...
Strengthen your bones. ...
Make half your plate fruits and vegetables. ...
Drink water. ...
Eat whole grains more often. ...
Learn what is in foods. ...
Cut back on some foods.
Explanation:
. You don't want to plateau. Adding variety to your workouts will keep your exercises from becoming ineffective. If you run at the same speed on the treadmill everyday for 20 minutes, your body will eventually hit a plateau
Answer:
1. D
2. D
3. A
4. A
5. D
6. C
7. F
8. E
9. D
10. L
11. H
12. J
13. A
14. B
15. G
16. I
17. K
18. C
19. B
20. D
21. I
22. J
23. L
24. A
25. H
26. G
27. Rapid Eye Movement and Non Rapid Eye Movement. REM sleep is where dreams take place, and NREM is quiet sleep.
28. Pain reduction, euphoria, and constipation. Three drugs are opium, morphine, and heroin.
Explanation:
