Assertion: kelp | /r/AtLocation | ideal physical conditions
Facets:
Source sentences:
text: If living in ideal physical conditions, kelp can grow 18 inches (45 cm) a day.
text: If living in ideal physical conditions, kelp can grow 18 inches (45 cm) a day.`,`Many fish species use kelp forests as nurseries for their young, while seabirds and marine mammals like sea lions, sea otters and even gray whales use them as shelter from predators and storms.`,`Sea urchins can destroy entire kelp forests at a rate of 30 feet (9 m) per month by moving in herds.