Fire is an example of energy changing one form to another. It is used as thermal energy (for heating and warmth) and for burning energy.
The other options don't really have any energy.
Answer: Insulin and glucagon
Explanation:
The two major hormones that influence glucose levels
The awnser is true
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Petals attract birds and insects that pollinate them
Thus, if the cell grows beyond a certain limit, not enough material will be able
to cross the membrane fast enough to accommodate the increased cellular
volume. When this happens, the cell must divide into smaller cells with
favorable surface area/volume ratios, or cease to function.