Answer:
Dalton's atomic theory proposed that all matter was composed of atoms, indivisible and indestructible building blocks. While all atoms of an element were identical, different elements had atoms of differing size and mass.
A wooden spoon insulates itself and retains no heat, a mental spoon would retain heat, and probably burn your hand<span />
The answer is D. The rice cooker / pot.
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THe amount of iron oxide decreases as the level of silica increases.
The thing that changes the thing that doesn't change is called the control