Answer:
Option b is correct
Sunlight
Explanation:
If a resource is limited then it will be available in the least quantity.
Sunlight as a resource is not uniformly distributed along the depths of the ocean. The uppermost layers of the ocean receive the most sunlight while the lower depths do not receive any sunlight at all. Hence sunlight would be considered a limited resource in the lower depths of the ocean
Answer: The dependent variable.
Explanation: Experimental studies are designed to find relationships between one variable and another.
