The form of energy from the sun can be transformed into the energy needed for a tree to grow is light to chemical energy.
Energy transformation is a process in which one form of energy is transfered into another form without any loss of energy.
Sun provides solar energy to the earth surface and that will be used by plants and trees for the production of food to grow. So that plants will convert the solar energy means light energy into chemical energy for their use.
Hence conversion of light energy to chemical energy takes place.
To know more about energy transformation, visit the below link:
https://brainly.com/question/961052
#SPJ1