Normally an individual thunderstorm lasts about 45 minutes, but under certai conditions the storm may ________, becoming ever more severe,
for as long as four hours.
- wane
- moderate
- persist
- endure
- vacillate
- disperse
(C. persist and D. endure) Normally an individual thunderstorm lasts about 45 minutes, but under certai conditions
the storm may persist/endure, becoming ever more severe, for as long as four hours.