Answer:
B, D, C
Explanation:
the solution may have more than one solute, a solution is a homogenous mixture of 2 or more substances and not all solutions are liquid
I think its C: due to mixing and oceanic.....
Answer:
Period
Explanation:
If we ubicate te period one on the alkaline metals, we can see the lithium, so we go to the borans on te group AIII an we see Boron, move to the rigth on the same sense tou the group AVI we see the Oxygen, we can know that also for the electronic configuration Li:1s²2s¹ B:1s²2s²3p
A physical change does not change the identity of the substance but the chemical change does.
Example
If you tear or shred a piece of paper it is still paper, but if you pour chemicals on it it will probably change to something else.
Acid rain is formed by chemicals let off into the atmosphere further introducing the nitrogen oxides which are attached to the water vapour and than mixed together further making acid rain which contains a pH scale of 6 a pale light acid though very much effective.
Please refer back if needed further assistance.
Hope this helps and enlightens your day. Enjoy...
