Answer:
Molecules make scents. Aromatic ones (That is, containing rings of carbon atoms with delocalised electrons). Some unpleasant smells are due to hydrogen and sulphur groups.
Explanation:
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Answer:
Gravity
Explanation:
It can settle down and separate over time due to gravity.
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Answer:
What is energy transformation? One type of energy can change into another type of energy. Energy transformation means the changing of energy from one type to another, e.g. from kinetic energy to electrical energy, or from potential energy to kinetic energy.
Explanation:
Lanthamides, actinides, noble gases
False because they can turn back to their original form a chemical change would be like burning paper it can’t be changed back to it’s original offer it’s burnt
