Answer:
Mercury is used in thermometers because it has high coefficient of expansion. Hence, the slightest change in temperature is notable when it's used in a thermometer.
Also, mercury has a freezing point of -38.83 °C and boiling point at 356.7 °C, this gives a very big range to measure temperatures for may general purposes, also it does not stick to(wet) the capillary wall of the thermometers, and its easy to obtain in its elemental form.
Explanation:
Reading a report in front of the class
Amphibious eggs why idkkk
Answer:
People keep Personal Trainers because they had studied about it and they knows what is good for us. I think that's the reason why People choose trainers. Also they would tell us what we should eat, How we should workout and so on.. Whether you want to develop an individualized program to support weight loss goals, get in shape, or simply feel that you'd benefit from the additional accountability, a personal trainer can be a great resource.A savvy personal trainer can make exercise both effective and fun. Group or buddy training can be a great way to increase enjoyment, make exercise social and attain the services of a trainer for a cheaper rate.
Hope you Understand.
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