About 21c because it also depends on the weather outside
I am not sure what kind of answer you are looking for but the start of friendship.
Ur answer is 3 and i'm sure of it
Humans need a digestive system to do cellular respiration, which produces energy used for growth and movement.
Plants do not need one as they make their own energy through photosynthesis. The process produces glucose, which is a form of energy for the plants.
