How does the author of "Solar-Powered Public Buildings? Not So Fast, California!" support the claim that an increase in solar power usage could disrupt power delivery to individuals and organizations?

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ineffective, because the author relies only on personal opinions rather than facts to point out problems with solar power . ineffective, because the author supports the opposing viewpoint by introducing the idea that solar power is popular . effective, because the author reveals the significant costs of readying California’s public buildings to run on solar power  effective, because the author shows that less than half of California’s energy supply comes from solar power.

effective, because the author reveals the significant costs of readying California’s public buildings to run on solar power

Explanation:

The author of the text presents evidence on how the use of solar energy is expensive, which often makes it difficult to use this type of energy in buildings, especially public predictions. This could be a problem in California, where the demand for solar energy is high and there are many advocates who advocate the use of this energy without taking into account the expenses to maintain an uninterrupted supply of it.

a. "to practice" is the best phrase to complete the sentence.

explanation:

during the summer, she likes to practice her soccer skills so that she is ready to play in the fall.

(note that : all the other options "the practicing of", "practice for" and "to do a practice on" are inappropriate as they make the sentence grammatically incorrect.)

verdadero

explanation: