I believe the answer is a) the scientific method involves developing and testing questions
Independent Variable is what you change in an experiment. A Dependent Variable is what you’re trying to find out. Constants are what you keep that same. Control Group is the standards to which comparisons are made.
The answer is D, carbon dioxide, because carbon dioxide is used in photosynthesis. The answer is not b, glucose, because the end product of photosynthesis is glucose.
The inner planets (in order of distance from the sun, closest to furthest) are Mercury, Venus, Earth and Mars.
