Answer:
i belive its the first one, if not let me know
Explanation:
A Ice Age would probably happen because if earth did not have that heat it would get really cold an start a ice age and nothing would grow or live.
The vascular cambium (which according to https://biology.stackexchange.com/questions/42600/what-is-vascular-cambium is a "plant tissue located between the xylem and the phloem in the stem and root of a vascular plant")
Mental wise would go down many aspects even the thought of dieing soon and emotional impact of loved ones and worrieness.
