Chris wanted to find out what would make his tomato plants grow best. he set up an
experiment to find out and planted three little plants. he gave each plant different
amounts of water, fertilizer, and sunlight. the amounts are shown below.
plant necessity
water
fertilizer
sunlight
plant 1
10 ml
2 grams
3 hours
amounts per day
plant 2 plant 3
15 ml
20 ml
5 grams 10 grams
6 hours 4 hours
what is the major error with the way chris ran his experiment? what should he have
done to get better results?