Carbon and Water - Systems

Question 1

3 types of system?

Answer 1

• Isolated systems = no interactions with anything outside the boundary, no input or output
• Closed systems = have transfers of energy within and outside the boundary but not matter/material e.g. earth
• Open systems = where matter and energy can be transferred from within the boundary to the surrounding environment, most ecosystems are open systems

Question 2

What is Equilibrium?

Answer 2

When there is a balance between the inputs and the outputs

Question 3

What are the disruptions to Equilibrium?

Answer 3

• Positive feedback = where the effects of an action are amplified by subsequent knock-on effects
• Negative feedback = where the effects of an action are nullified by its subsequent knock-on effects.