Question

which of the following would not be a good question to use for scientific investigation? how do soil types affect tree height? what impact does fertilizer have on tomato plants? why are daisies yellow? how does the amount of sunlight affect plant growth?

Explanation:

Scientific investigations typically involve testable hypotheses and variables that can be manipulated or measured. The question "Why are daisies yellow?" is more of a general - knowledge or observational question and may not have easily - identifiable variables for an experiment. In contrast, the other questions involve variables like soil types, fertilizer, and amount of sunlight that can be changed to observe an effect on a plant characteristic.

Answer:

Why are daisies yellow?