It was a Cambridge UK scientist in the early part of the 20 th century who discovered the electron. His name was J J Thompson.
Answer:
Explanation:
A substance melting is a physical change and the properties of the substance will remain same, only that the substance will just become liquid.
On the other hand, burning is a chemical change which produces an entirely new compount(in most cases, ash) which does not have the same properties as the original object
Answer:
qualitative data
and
quanitative data
Explanation:
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The sugar solution was made by mixing 12 grams of water
