Galactic recycling is a natural phenomenon in which the stars expel some gas into the space so that it would mix with the interstellar medium. As a result, this would produce new younger stars. So, basically, the concept done here is the mass and energy conservation. In order to create new species, the energy must come from another source.
Baking powder is a mixture of baking soda and a mild edible acid such as tartaric acid
Answer:
How does the energy required to remove an electron from an atom change as you move left to right in Period 4 from potassium through iron? ... A greater nuclear charge pulls the electrons closer to the nucleus, decreasing the atomic radius.
Answer:
An electron is a negatively charged component of an atom
the proton is a positively charged body.
Explanation:
is 
, hence one 
is 
, thus 
is 