Low-cost energy. Although building nuclear power plants has a high initial cost, it's relatively cheap to produce energy from them and they have low operating costs.
Reliable.
Zero carbon emissions.
Promising future energy supply.
High energy density.
True... there are better ways using less materials and printing is that
It depends on the Chemical the Substance has. The more Chemicals, the better the Substance gets when its mixed with another.
Answer:
A
Explanation:
The number of protons and neutrons of an element is the same. the electrons are the only thing that can differ. The atomic number equal the protons and neutrons.
Answer:

Explanation:
The equation for density is:

We plug in the given values:

