Answer:
two hydrogen atoms and one oxygen atom
Explanation:
A outlet,electrical,batteries
Of heating. Or when the lake is exposed to boil because of the temperature.
Solar- the sun is not always shining, for example at night you can't get any energy from the sun
Wind-it's not always windy
Water- there can be drought
Really the main issue of all three of these is that they are not always available
Answer:
D. Is the correct Option!
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<u><em>Hope this helps!!! :)</em></u>