Answer:
Option B
Explanation:
The butter forms a new arrangement of atoms i.e from solid to liquid
Answer:
9
Explanation:
A atomic number is the addition of every number
In the formation of flat bones such as the skull the mandibles and the clavicles
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These physical changes could be classified based on their energy requirements: endothermic or exothermic. Endothermic reaction need to absorb energy, while exothermic reaction need to release the energy in order to achieve spontaneous reactions.
Exothermic: Condensation, Freezing, Deposition
Endothermic: Sublimation, Evaporation, Melting
For heating Solid, Liquid, Gas and for cooling the opposite Gas, Liquid, Solid