Hydroelectric, tidal and wind sources are similar in the sense that are all renewable sources of electricity generation.
<h3>Generation of electricity</h3>
Electricity is generated in many ways. Some of the ways are renewable while some of the ways are non renewable. The renewable means of generation can be reused while the non renewable can not be reused.
Now, hydroelectric, tidal and wind sources are similar in the sense that are all renewable sources of electricity generation.
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Adaptation is the tendency of some members of a population to be better able to survive and reproduce and pass on their characteristics.
The answer is b. The ability of all living things to maintain a relatively stable internal environment
