True, formation of free radicals <em>can </em>increase your risk of cancer and heart disease.
answer
Responses will vary. A sample response follows: Tobacco smoke contains thousands of chemicals, many of which are known cancer-causing substances, or carcinogens. Tobacco smoke also contains addictive substances, which cause the body to rely on the very substance that harms it.
Explanation:
Yes, every exercise should include both of these. If you exercise without warming up you could easily pull a muscle or worse.
Hope this helped! (:
If this is a true or false question the answer would be False. Using a rake would be considered more physical activity than standing around using a leaf blower.
