What are the consequence of clearcutting

Mario performed an experiment to determine if photosynthesis was affected by the amount of light that a plant received. what could he have done to increase the validity of his data? reduce the number of plants. remove the 1 hour group. add a 0 hours control. measure the oxygen in liters

This organism is not capable of performing photosynthesis. (horseshoe crab) true false

The pronunciation aid that determines the stress placed upon a syllable is the