I'm supper lost if someone could help thay would be great ​

Here's a link to the

https://cutt.ly/kzjInUL

answer; i believe that the correct answer is (a); a large rock being weathered by wind and rain;

we can conclude that the melting point of table salt is above room temperature (it's actually 801 deg c). the melting point of mercury must be below room temperature (- 39 deg c).