Please choose the correct answer to the question: Needing to predict planting and harvesting times and when certain food animals would hibernate, early humans learned repeating weather patterns, star formations and time intervals to realize that

Answer1: the sky is usually blue at night Answer2: most plants take a year to grow Answer3: one year consists of 365 days and nights Answer4: the sun is still for 12 months a year

Answer format: answer1/answer2/answer3/answer4
Answer: answer3