The structure of the passage is Cause and effect.
The Cause-effect structure is a structure for writing text in which events (causes) that trigger or influence the occurrence of others (effects) are exposed.
According to the above, the passage has a cause-effect structure because it first exposes the causes that are:
- An earthquake of great magnitude
- Disasters caused by the earthquake
Later it shows the consequences of this fact which are:
- Scientific Studies on the Geology of California
- Upgrading California Structures to Avoid Equal Disasters
According to the above, the correct answer is A. Cause-effect because it mentions the appropriate structure for this passage.
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