The drawing below represents an atom. Use arrows to show where each of these three parts of an atom are located in the atom's structure.
electron
proton
neutron

Explanation:

An atom is the smallest particle of any substance that can take part in chemical reactions.

Atoms are made up of three small particles which are protons, neutrons and electrons.

 Protons are the positively charged particles in an atom.

 Electrons are the negatively charged particles in an atom.

 Neutrons do not carry any charges.

The atomic space is made up of a tiny nucleus and a large space filled with orbital electrons.

The nucleus is made up of both protons and neutrons together.

2%? i tried finding the exact sorry if it's not 100% correct ; -;

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.