1) 0.3 m
2) 12000 m
3) 0.004 kg
4) 750000 mm
5) 3.5 L
6) 250000 g
7) 0.765 kg
8) 200 mg
9) 0.099 m
10) 500 ml
11) 52.163 kg
12) 881.849 lbs
13) 255.146 g
14) 2.963 oz
15) 18.597 kg
16) 0.178 m
17) 27.94 cm
18) 182.88 cm
19) 5.085 y
They may experience irritability and depression because when a person constantly smokes, his/her brain begins to rely on the chemicals it gets from the person smoking, which results in the brain "getting lazy" and not producing the chemicals anymore. If the person were to suddenly quit, the brain would lack in the chemicals it had stopped producing, making the person feel constantly annoyed and depressed because of the chemical imbalance.
Answer: Cardio.
Explanation: Cardio is the exercise type that burns the most calories. Running, for example, is the top exercise of calorie-burn.