The answer is called heat energy. Hope this helps.
Answer:
i think they are orignally from cold areas so they store water and moisture in there needles. and they stay green year round.
Explanation:
This is straight from google "<span>During photosynthesis, a plant is able to convert solar energy into a chemical form. It does this by capturing </span>light<span> coming from the </span>sun<span> and, through a series of reactions, using its energy to help build a sugar molecule called glucose. Glucose is made of six </span>carbon atoms<span>, six </span>oxygen atoms<span>, and twelve </span>hydrogen<span> atoms."</span>
I’m not 100% sure if this is a scientific theory but I’m going with the big bang theory. The big bang theory is a scientist best guess on how the world came to be. A 2013 map of the background radiation left over from the Big Bang, taken by the ESA's Planck spacecraft, captured the oldest light in the universe. This information helps astronomers determine the age of the universe.