Answer:
Because each subject in an experiment has to have equal conditions to ensure the most accurate results. And water temperature is known to impact plant growth. An experiment using different water temperatures is a terribly inaccurate experiment.
Solid Liquid Gas or Plasma , a define shape would have to be the solid
Answer:
Lateral meristematic tissue to grow wider and phloem and xylem for producing vascular tissue
The answer is D. Because the bird has to be noticed and the brighter the feathers the more likely the chance to be noticed.
