Factories, smoking, cars, littering
Answer:
Here are some good exercises that are FAST to increase cardio fitness:
During a run increase your speed by about 75% for about 15-30 seconds, intervals are crucial.
Mile repeats or 800m repeats with 30 second rests inbetween
HILLS - literally will change you
-hill repeats
-hill sprints
All those are KILLERS for cardio they will improve you in one week and you will keep improving quickly.
Sprinting is also crucial to improve endurance and cardio, sprint repeats, it's really powerful
Have fun with your cardio! :)
Explanation:
Well in my health class my teacher gives test that are worth 300% wich count as two test grades
Well yes and no some come from food and so dose energy but water,food,and anything with carbs. hope this helps
Well I cannot actually see any reasons,so I might as well just give my own.A drug might not recieve FDA approval because they need to find the good chemicals and the bad chemicals in the drug.If they find any bad chemicals in the drug,they will not approve it.Hope this helps!!!!
