The photo shows an old-fashloned mercury thermometer. Mercury is a liquid metal that expands when It Is heated. Mercury Narrow tube Bulb with thin glass covering Which statement best describes how the thermometer's bulb works? A. The thin glass covering transfers thermal energy to the mercury so it can start to expand sooner.
B. The mercury easily transfers thermal energy so the thin glass covering can start to expand, C. The thin glass covering reflects thermal energy to stop the mercury from expanding, D. The mercury reflects thermal energy so the speed of energy transfer through the glass happens quickly.

A

Explanation:

The thin glass covering transfers thermal energy just like putting normal glass in hot substance transfers heat to the mercury, mercury is a metal that is liquid at room temperature and freezes at about 40° celsius which is why it is used for measuring temperature of mostly humans

A

Explanation:

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a  solution  is always transparent, light passes through with no scattering from solute particles which are molecule in size. the  solution  is homogeneous and does not settle out. a colloid is intermediate between asolution  and a  suspension. while asuspension  will separate out a colloid will not.