D the Stratosphere
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The Milky Way is a spiral galaxy.
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Answer:
Gravitational force is responsible for moon revolving around the earth .
Answer:
(B) the production possibilities curves of such nations have shifted inward.
Explanation:
- As the inwards shift of the PPF curves represents a decline or fall in the nations supply-side or the productivity capacity and is due to the factors like the national disaster ad the conditions like the drought and overgrazing have thus create a dessert conditions and it destroys the buildup capital and causes a potential loss of the life.