The last one is the correct answer. The atomic structure can be broken down which is what the findings concerning protons, electrons and neutrons showed. The theory was thus modified. What remained was no chemical reaction could affect the basic structure of an atom.
Still the last choice is still true. The first choice is your second best answer because of what I wrote in the last sentence of the above paragraph.
Last Choice <<<<< answer
Thomson in 1897 was the first to suggest that one of the fundamental units was more than 1,000 times smaller than an atom, suggesting the subatomic particle now known as the electron. Thomson discovered this through his explorations on the properties of cathode rays.
Answer:



as beaker is open so


As ψof solution is lower than the root tissue so water will move out of the root to the solution
Explanation:
Covalent bonding is when electrons are shared between atoms.
Agree with the statement buddy