How is energy being transferred to the water in the aluminum pans when heated in the oven?
Energy is being transferred to the water in the aluminum pans through convection and conduction. Convection energy is the transfer of heat through air (gas) or liquid currents (water or liquid fat). When heated, hot gases and liquids become less dense and rise while the cooler, heavier gases and liquids flow downward. Energy is being transferred via conduction as the slow, direct transfer of heat energy between adjacent molecules occurs.
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The main role of ____ in supporting physical activity is to serve as an antioxidant, protecting tissues from oxidation
a. vitamin E b. beta-carotene c. vitamin C d. folate e. magnesium
The CDC recommends older adults engage in strength training at least two (non-consecutive) days a week, at a moderate to high intensity for ____ repetitions
a. 5-10 b. 10-15 c. 15-20 d. 20-25 e. 25-30
The caloric value of oxygen varies depending on whether carbohydrate or fat is the primary fuel being used
Indicate whether the statement is true or false
Necrosis refers to the cellular changes that occur during:
A. metaplasia B. dysplasia C. cell death D. cell growth E. metastasis