Question

Which of these would be a chemical change?

A. Seashells are ground to power by the surf.
B. Salt from the soil dissolve into a stream.
C. An icicle forms along cliff edge.
D. Lightning strikes of spruce tree and start a fire.

Answer 1

I think it is b but it might be c

Answer 2

I'm between B, C, and D

Step-by-step explanation:

Becasue all of them can become in a chemical change but what is thing is that B or C will be the ones because they can turn into something will the lighting strike won't turn the Tree into something the tree will stay the same