Answer:
copper
Explanation:
coal, petroleum, and natural gas are all related to fossil fuels.
Water is a compound. A compound is made up of two or more elements. In the case of water, or H2O, there are 2 hydrogen atoms present and 1 oxygen atom. I hope this helps you on your assignment. Good luck!
Rubidium would exhibit the greatest shielding [ effect. ]
hi there bestie [i think its 3]
The answer is A
Hope this helps.