Multiple choice

Directions: Choose the correct option to fill in the blanks.

Nature’s energy efficiency often _________ human technology: despite the intensity of the light fire-flies produce, the amount of heat is negligible; only recently have humans developed chemical light-producing systems whose efficiency _______ the firefly’s system.

  1. engenders, manipulates

  2. reflects, simulates

  3. outstrips, rivals

  4. inhibits, matches

  5. determines, reproduces
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Note the word 'despite' is a thought reverser and thus, option (3) is the correct answer.

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