Answer:
I have an idea but it isn't appropriate at all
Explanation:
(:
Personally, i would use the term “oblivious” or “ignorant” for more synonyms go to thesaurus.com :)
This could be caused by one of three things: (1) Your tree is growing more leaves than it can support, (2) pests and diseases infect the leaves, or (3) your tree might be getting too much or too little water.