Mae noticed that the birdbath in her backyard loses water more quickly during hot summer days than during the cooler days of the spring. Which of the following is a testable scientific hypothesis based on these observations? A. Water evaporates more quickly when days are shorter. B. Water evaporates more quickly when temperatures are high. C. Why does the birdbath lose water more quickly in the summer than in the spring? D. What factors affect the rate of evaporation of water?