Which statement below can be regarded as a reasonable interpretation of the data shown in Table 1? Birds sing before sunrise to avoid predators. Birds sing in the morning. Electromagnetic energy near the Earth's horizon signals the birds to begin singing. Birds can sense the impending sunrise so they sing. Table 1. Onset of Birds Singing and Time of Sunrise Observations Day 1 2 3 Onset Time of Birds Singing 5:45am 5:34am 5:15am 5:15am 5:10am Time of Sunrise 6:32am 6:31am 6:31am 6:30am 6:29am