Design an experiment
question: what is the effect of day length on plant growth?

hypothesis: plants will grow more when the day is longer.

what is the dependent variable in your experiment?

what is the independent variable?

what are the options? add them, then i will be glad to .

answer;

c. a tree whose roots are surrounded by wet sand.

explanation;

water stress is an important factor limiting the growth and productivity of forests.water stress is the most often cited cause of poor survival and growth of woody landscape plants.

-insufficient soil moisture is the most common form of water stress, but excess moisture that leads to poor soil aeration (hypoxia) can also result in reduced plant vitality. a tree whose roots are surrounded by wet sand would be least likely to experience water stress.

answer; synapse;