Answer: they all have 7 electrons they have different atom sizes
Explanation: hope it helps
Answer:
Where the chart pls I can answer
Explanation:
Answer: I believe it is artificial selection (not certain though)
Explanation: modern day dogs have been bread an domesticated to be used by humans in ways we see fit.
Answer:
It's a physical property because color is chemically not significant.
But occurance of a flame is chemical property because combustion takes place
