Answer:T
he answer is C
Let's go through the options:
a. declare sovereignty in a document, such as the Declaration of Independence
-this is a good start, but it's not enough, a number of states have declared sovereignty but they were not recognized internationally.
b. pass a law requiring other states to recognize its sovereignty
- a state can't pass a law about what the others should do: this is a false answer
c. gain recognition of sovereignty from the United Nations
-this is the best way of achieving sovereignty in a way that is recognized internationally - this is the best answer.
d. merge with another state and form a new state
-this is not the right answer - this state would not be sovereign then.
Explanation:
The best pyramid for this is the biomass pyramid. That is because they show how much ecological material can be found at each trophic level, which then can be used to model how the matter flows through the ecosystem that is being analyzed.