In the following question a statement is given followed by three assumptions numbered as I, II and III. You have to read all the statements and decide which of them follows the argument mentioned in statement.
. Rooftop solar power growth has demonstrated an overall positive trend, But this will need to be scaled up massively to achieve the national target. Assumption:
(I) With ongoing improvements to solar cell efficiency and battery technology, rooftops will only get more attractive in the future.
(II) Major solar projects that connect to the grid often face the challenge of land acquisition and transmission connectivity.
(III) A survey helps determine usable rooftops, separating them from green spaces, and analyses the quality of the solar resource.

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**Solution:**

1. The statement highlights that rooftop solar power is growing positively but needs to be scaled up significantly to meet national goals.

2. Assumption (I) states that improvements in solar cell efficiency and battery technology will make rooftop solar more attractive. This aligns with the statement's implication that growth will continue and needs to be enhanced, so assumption (I) logically follows.

3. Assumption (II) discusses challenges faced by large solar projects related to land and transmission. However, the statement focuses on rooftop solar power growth, not large grid-connected projects, so assumption (II) is not directly supported.

4. Assumption (III) talks about surveys to identify usable rooftops and assess solar quality. While this might be relevant in practice, the statement does not mention or imply this, so assumption (III) cannot be assumed.

**Answer:** Only assumption (I) follows from the given statement.

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