Answer:
When the salt is added to the ice, the point of water freezing is lower, and the ice is melting.
Explanation:
The phenomenon of the salt melting the ice is called the depression of icing. The point is when we add the salt to the ice, the salt breaks water bounding molecules. This way salt is going to melt into ions and those ions are melting the ice.
In the real life, salt is also very useful, not only in chemistry. That is why people are putting salt on frozen roads, for example.
Answer:
Photosynthesis allows plants to create energy for themselves to store and use for metabolism.
Explanation:
No it is rare..............
3.) Testing multiple variables.
I think the first one is right !.... but the for the other one it's B .
