Answer:
Walking to class or up a flight of stairs would be examples of physical activity, as even though they might not seem like much they still fit under the most basic definition of physical activity which is any bodily movement that is produced by skeletal muscles that have a requirement of an expenditure of energy.
Explanation:
It's not A or B because neither have any effect on air pollution. Air conditioners or heaters just change the temperature of the air by filling the room in. Products being reused or disposed makes no difference on air, although it can make a big impact on whether the environment stays green so to speak.
The answer is C.
Hazardous waste are different. They are dangerous, suffocating, and irritating. They are pretty much chemicals that people should be careful of using. It's even worse if it's not disposed of properly. The name hazardous itself explains the danger. It is something that can pollute the environment if not taken care of properly.
Answer:
There are many ways of managing emotional stress including talking to others, writing in a journal, and meditating/breathing. The steps to managing one's emotions are to recognize, accept, and control. It is important to recognize if you are sad, jealous, happy, or angry.
Answer:
Tobacco
Explanation:
Various investigations have identified more than 4000 chemical elements in tobacco smoke particles. It has been shown that at least 60 of them, such as nickel, are carcinogenic. Nicotine, the addictive ingredient in tobacco, stimulates the nervous system, which speeds up the heart rate and increases blood pressure. Other research showed that nicotine stimulates a group of neurons in a region of the brain called the hypothalamus, which are responsible for communicating to the body that it has already eaten enough and is satisfied. Finally, smokers also have other visual effects such as yellowish pigmentation around the fingers, hands, teeth and even the hair can acquire that yellowish hue.
The answer is A, obesity.
Fun fact: the United States has the highest obesity rate out of any country in the world. This might be due to the fact that the average citizen gets zero exercise and loves fast food.
