<span>A. Water is moving into the gummy bear because the concentration of water molecules inside the gummy bear is lower than outside.
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Robert Hooke built his own compound microscope to examine tree bark.
A cell, they are the tiniest living thing on earth.
A. Sound is a form of mechanical energy
Isotopes of an element are defined has that has same atomic number but different mass number mean they have different number of neutrons
so the statement that best describe a similarity is
<span> same atomic number; different mass number
</span>so correct option is C
hope it helps
