Multiple choice

v. to strengthen with new evidence or facts

  1. substantiate

  2. squalid

  3. static

  4. sufficient
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

To substantiate means to provide evidence to support or prove the truth of something. The other options do not fit: squalid means dirty or unpleasant, static means lacking movement or change, and sufficient means enough.

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