I do not know your choices but heres what i think....
sound waves travel faster thru solids due to their tight bonding
then liquids are second
then gas.
hope this help,if not the real answer will be in comments :)
Brick is not a mineral (it is man-made)
This can be helpful to treat tumors because tumors grow at a rapid rate and they are "out of control". By inhibiting the mitosis production, the tumor cells can also stop growing.
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Description
An electron cloud is the region of negative charge surrounding an atomic nucleus that is associated with an atomic orbital. It is defined mathematically, describing a region with a high probability of containing electrons.
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The number of Golden Toads people saw declined from 1,500 to zero in such a short period of time. Scientists suspect that conditions related to climate change was the reason for their extinction