Body elements and trace fossils I believe
Answer:
A nucleus collides with a neutron and splits, releasing energy.
Explanation:
I would say it is a chemical change because after a while, the nails start to rust. Now they only rust after about a week though. But rust is a chemical change.
Answer:
the general equation is: A + X → AX. Where a single compound on the reactant side breaks down into two or more products during a chemical change. The general equation is AX → A + X.
Explanation:
