Which scenario is in excample of a scientific way to think

What are atoms of the same element with varying number of neutrons

When conducting an investigation to determine which type of fertilizer produces the most flowers on a plant, which variable would be graphed on the x-axis once you collected the data? a. type of fertilizer b. amount of flowers c. amount of water d. number of days that the plants grew

What types of radiation make up the electromagnetic spectrum?