A gas commonly found in smog is ozone. Correct answer: A
Smog generally occurs in the lower part of the atmosphere is composed mainly of tropospheric ozone (O3), primary particulate matter such as pollen and dust; and secondary particulate matter such as sulphur oxides, volatile organic compounds, nitrogen oxides (NOx) and ammonia gas.
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:
The forms of behaviour used in body language include body posture, gestures, facial expressions, and eye movements. Body language may provide clues as to the attitude or state of mind of a person. For example, it may indicate aggression, attentiveness, boredom, a relaxed state, pleasure, amusement, and intoxication.
I hope this helps you.
True, if we exercise we have energy
