Answer:
Because nuclear decay releases ionizing radiation (alpha, beta, and gamma radiation) we call such compounds radioactive.
Explanation:
Answer:
Thermal Pollution
Explanation:
Thermal pollution is a <em>term</em> use to describe the <u>final result caused from the water used as a coolant by power plants and/or industrial companies</u>.<em> It changes the water temperature and its quality. It is usually caused from humans or companies especially manufacturing companies - They use it for their personal needs. The end product of the water after being discarded is Thermal Pollution</em>
Answer:
The two modifications in the Thermos flask which would enable it to be more helpful:
1) To have an internal temperature indicator that indicates temperature.
2) A wireless rechargeable battery (USB connector)
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The Gravitationa potential energy of the mass (PEG) is given by:

where
m is the mass
g is the gravitational acceleration
h is the heigth of the mass above the reference level (the ground)
In this problem,

and

, therefore the gravitational potential energy of the mass is: