FOR SCIENCE PLEASE HEL A student is conducting an experiment to determine how quickly different seeds grow to a set height. All of the seeds are planted in the same soil, at the same depth, and receive the same amount of water and sunlight. What additional data should be included in the student’s observations and results?

1. number of hours of sunlight and the temperature of the water
2. amount of water, the height of seed, and the amount of sunlight
3. size of the seed, number of hours for the seed to grow, and type of soil
4. type of seed, the height of seed, and the number of days for the seed to grow