Many scientists estimate that trans fatty acids offer health benefits similar to those from polyunsaturated and monounsaturated fats.

False

Explanation:

Trans fatty acids are present in meat and dairy products and are not considered "healthy" as polyunsaturated and monounsaturated fats do. In fact, trans fatty acids are considered the worst type of fats because, according to researchers, they increase the levels of harmful LDL cholesterol in the bloodstream and reduce the levels of beneficial HDL cholesterol.

On the other hand, monounsaturated fats, which come from food products like olive oil, avocado, and nuts, and polyunsaturated fats, which are present in corn and sunflower oil, fish, and nuts, are known as the "healthy" types of fat because they provide health benefits such as the reduction of blood pressure and may even help prevent heart disease.

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                                                        water

a colorless, transparent, odorless, tasteless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.

                                                        halon  

any of a number of unreactive gaseous compounds of carbon with bromine and other halogens, used in fire extinguishers, but now known to damage the ozone layer.

                                                  dry chemical

extinguishing agent used on class a, class b, and class c fires.

                                                  carbon dioxide

a colorless, odorless gas produced by burning carbon and organic compounds and by respiration. it is naturally present in air (about 0.03 percent) and is absorbed by plants in photosynthesis.