1. MEASURING THE UPTAKE OF PHOTOSYNTHESIS
2. MEASURING PRODUCTION OF OXYGEN .
3. MEASURING PRODUCTION OF <span>CARBOHYDRATES</span>
C. Along the bottom. The benthic zone is the bottom sediment of a lake.
Answer: Plant trees or vegetation
Explanation: They help keep the soil in place.
B) Meiosis-"a type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell, as in the production of gametes and plant spores." taken from google