The correct answer is option C
The demand for a better life increased the pollution in the society. The increased pollution in the environment led to many health problems.
The Nuclear power plant creates radioactivity and thermal pollution.
The water used in the nuclear power plants is very warm and causes thermal pollution as it is released into water bodies.
The nuclear power plant uses radioactive substances like uranium and the waste that is left is radioactive waste.
Answer:
Which of the following properties describes a direct current system but not an alternating current system?
The current always flows it the same direction.
Explanation:
When current flows in the same direction, it is described to have flow in a direct manner rather than an alternate system
Answer:
A
Explanation:
the best choose is A..........
A- valve replacement
b- stents
x- heart transplant