How are littoral and riparian zones different? A. Littoral zones contain vegetation, while riparian zones do not.
B. Littoral zones have greater access to sunlight than riparian zones.
C. Riparian zones are more important to aquatic animals than littoral zones.
D. Riparian zones occur where water meets land, while littoral zones occur at depths of less than 15 feet.

D. Riparian zones occur where water meets land, while littoral zones occur at depths of less than 15 feet.

Explanation:

measuring light intensity

light meters can be used to measure light intensity. the meter is held at the soil surface and pointed in the direction of the maximum light intensity, and then the meter is read.

errors can be made when measuring light intensity by accidentally shading the light meter. the reliability of the results can be checked by taking many samples.