The Earth being tilted on its axis causes ones side of the Earth to receive less energy from the Sun than the other side, and plants obtain their energy from the sun. Given these facts, what can cause plants to receive less energy among the following options:
- summer solstace
 - Dehydration
 - fossil fuels
 - exposure to cold
 - lunar orbit
 - They may not survive.
 - solar flares
 - the Earth being tilted


 

        the Earth being tilted 