In refraction of light, the greater the change in speed, the more light bends. Having read the above passage, choose the right answer to the following question (choices are More or Less ): John was looking at a refractive index and observing the light. The less speed the light had, it would bend More or Less?
Less

For a given medium such as air, sound has a slower speed at lower temperatures. Having read the above passage, choose the right answer to the following question (choices are warm day or colder day? ): Would a microphone designed to listen for avalanches detect the sound of falling snow later on a warm day or colder day??
colder day?

New farm machines were invented. They increased the amount of food that could be produced. With more food, people were healthier and could live longer. Having read the above passage, choose the right answer to the following question (choices are shorter or longer ): An increase in food will likely lead to shorter or longer lifespans?
longer

The larger the animal, the heavier the exoskeleton, making movement more difficult. Having read the above passage, choose the right answer to the following question (choices are greater or lesser ): A puppy, compared to a elephant, is a smaller size, and therefore the weight of the puppy, compared to the elephant, is greater or lesser?
lesser