I think it is b because since it refers to climate vegetation it could be b mostly other answers dont make sense
Answer:
i. The Delian League was formed.
ii. The Peloponnesian War began.
iii. A plague broke out in Athens.
iv. Athens lost its ruler and its power.
C, Boundaries limit sovereignty and determine the extent of a state's power within the global political system.
Answer:
D. Pond becoming more acidic to the pollution.
Explanation:
- As the universe consists of two types of loops the positive and the negative feedback loop they are thus called the reinforcing and balancing types of loops in the ecological systems. Aggravates the system
- The positive loop or the feedback may be that the pond reaction to the chemicals thus becoming more of acidic as a result of pollution
- For example, the polar ice caps form a positive loop by the increase in greenhouse gases the melt is induced due to the spread effects and that is a universal phenomenon.
- In order to balance or bring a balance, the pond must become neutral or basic.
