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Question

Difficulty: EasyFrequently Confused Words

Complete the sentence by filling in the blanks with the correct words from the frequently confused pair 'affect' and 'effect'.

Answer:The sudden change in temperature did not 【affect】 the growth of the bacterial culture, but it had a noticeable 【effect】 on the chemical reaction rate.

Answer

affect, effect
In standard academic writing, 'affect' functions as a verb meaning 'to influence,' whereas 'effect' functions as a noun meaning 'a result.' The first blank requires the base form of a verb to complete the verb phrase 'did not affect,' while the second blank requires a noun to serve as the direct object modified by the adjective 'noticeable.'

Step-by-Step Solution

1
Determine the grammatical role and meaning required for the first blank.
The verb 'affect'
The helper verb 'did not' must be followed by a base verb meaning 'to influence' or 'to act upon', which is the definition of 'affect'.
2
Determine the grammatical role and meaning required for the second blank.
The noun 'effect'
The blank follows the adjective 'noticeable' and requires a noun meaning 'result' or 'consequence', which is the definition of 'effect'.

Key Concept

Distinguishing between the verb 'affect' (to influence) and the noun 'effect' (the result of an influence).
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