Answer:
Burning wood
Explanation:
the fire releases heat into the air from the burning wood
The answer is "elements" :)
Compare it to the chart showing how base or acidic a substance is
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.