Answer:
I would say the last one because mass is not created nor destroyed.
Explanation:
Answer: all I know it’s not -31.5 for ppl taking the k12 test
Explanation: I took the test
How it looks. basically the thing that tells you how it change. for example if an ice cube was melted (heat), it only changed physically not chemically as the h20 molecules are still there. however lets say you burn woos— you cant get that would back. its ash now and it has changed chemically.
Answer:
When two distinct elements are chemically combined for example, chemical bonds form between their atoms, the result is called a chemical compound. Most elements on Earth bond with other elements to form chemical compounds, such as sodium and Chloride, which combine to form table salt.
1,6,1,2 that should be the answer
