J.J Thomson showed rays were composed of a previously unknown negative charged particle that was later known as electron
I think the answer is 4. winters arrival
Hello,
Here is your answer:
The proper answer to this question is option D "<span>abyssal plain".
Here is how:
The abyssal plain is the deep ocean floor made out of sediment rocks.
Your answer is D.
If you need anymore help feel free to ask me!
Hope this helps!</span>
