Answer:
water wears it down over time, eroding it and weathering it. This usually happens to rocks in creekbeds or near bodies of water
hope this helps :)
Explanation:
I believe Mendeleev formed his periodic table by atomic weight (nowadays we do it by atomic number) so he likely used those values.
The answer is D, all of them have very different masses
The answer is D. His belief is was that atoms could not be split. That is what was disproved really fast ;)
