Answer:
B. a nuclear reactor core (1000°C)......
Think, does a chemical reaction take place? Do the rocks and/or the water undergo any chemical changes?
I believe the answer you are looking for is the 4th one.
The answer is 3). This is because elements are the simplest form of a substance, and cannot be broken down any further. Compounds on the other hand are much more complex than elements and can be broken down INTO elements.
For example, Na, sodium, is an element and cannot be broken down further. H2O, water, is a compound and can be broken down into Hydrogen and Oxygen.
Answer:
It kinda helps but not really
Thanks for trying anyway doe!
Explanation:
