Scientific Studies Practice Questions - Scientific Studies External Assessment

A student tests how light intensity affects the growth rate of algae. Which variable must be controlled?

Nutrient concentration and ambient temperature in the growth medium The measured height and biomass of the algae each day The distance between the light source and the algae containers The specific wattage of the light bulb used as the light treatment

Correct Answer:

Nutrient concentration and ambient temperature in the growth medium

Access more questions from this quiz

Continue to Scientific Studies Practice Questions - Scientific Studies External Assessment for more practice questions and the full quiz experience.

Access More Questions