Same but like I got to answer questions before I can ask so sry
The human activity that creates the least threat to global stability is : Reuse of Plastic bags.
Plastic bag need a lot of time to be degraded in the soil which will create a threat to the environment. Reusing plastic bag will reduce this threat.
hope this helps
temperature regulation, heat absorption, and nutrition transportation
I think the answer is 100 per so C. hope it helps hanna