Question

overview of earth systems
global monthly mean co2
positive feedback loops can drive a system to extremes, while negative feedback loops maintain balance in a system.
this graph of continually rising carbon dioxide levels represents which type of feedback loop?
positive
negative

Explanation:

Positive feedback loops drive a system to extremes. The graph shows continuously rising carbon - dioxide levels, which is an example of a system moving towards an extreme state. So it represents a positive feedback loop.

Answer:

Positive