A dam is a structure built across a stream or river to hold water back. Dams can be used to store water, control flooding, and generate electricity.
The human respratory system is responsible for removing 2 carbon dioxide from blood
The correct answer is "All of the above are correct"
During Physical Change there would be a re-arrangements of atoms or molecules, changes of the arrangement may be change in the distance between atoms or molecules, change in the crystal form.
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