Another class grows tomato plants inside their classroom instead of outside in the garden. The students plant seeds and make sure the plants get plenty of water and sunlight. After a few months they have healthy plants with flowers but no tomatoes. Which sentence best describes why the classroom plants did not grow any tomatoes?
a. The class needs to wait longer, and the plants will eventuallly grow tomatoes. b. The windows blocked the rays from the sun that the plants need to grow tomatoes. c. By keeping the plants inside , pollinators such as bees were unable to pollinate the plants. D. In the classroom, the plants were not placed close enough to another plant for reproduction to happen.