Marvin predicts that if marigold flowers are planted around a group of tomato plants, then fewer insects will eat the tomatoes. Which of the following observations would best support Marvin's prediction? A count of 20 insects before marigolds are planted and 20 insects after marigolds are planted. A count of 20 insects before marigolds are planted and 12 insects after marigolds are planted. A count of 10 tomato plants before marigolds are planted and 5 tomato plants after marigolds are planted. A count of 10 tomato plants before marigolds are planted and 15 tomato plants after marigolds are planted.