Answer: Mercury is rarely used in thermometers that take body temperatures because it is toxic, accidentally if by any chance a thermometer breaks orleaky, mercury gets inside body and can cause harm.
Explanation:
What is the name of the upward force that enables a bird to fly?
A. Lift
umm, something tells me it will weight 2 kg
A wave is a perturbation in a material from the point the perturbation was produced, to the sorrounding area
It is the heat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree).
