Assertion: solar energy | /r/HasProperty | harnessed by modern technology
Facets:
Source sentences:
text: Solar energy has been looked upon as a serious source of energy for many years because of the vast amounts of energy that are made freely available, if harnessed by modern technology.
text: Solar energy is considered as a serious source of energy for many years because of the vast amounts of energy that is made freely available, if harnessed by modern technology.