Accurate Answers To Your Questions Science Why is the water cycle important? What is the water cycle and why is it important? Why is the ozone layer important? A look at why the ozone layer is important. Why is photosynthesis important? Learn about what happens during photosynthesis and its importance for all living things. Why is DNA replication important? A look at what DNA replication is and why it’s important. Why does water expand when it freezes? An explanation of why water expands when it freezes. Why does oil float on water? Why does oil float on water rather than sinking to the bottom or mixing with it when it’s poured into it? Find out the answer now. Animals Where do squirrels sleep? Where do squirrels sleep? There are a variety of different species in the squirrel family and the answer varies accordingly. What are some animals that start with the letter U? How many animals whose name begins with the letter U can you name? Food How much protein is in a banana? Are bananas a good source of protein? Find out now. How much is a clove of garlic? Many recipes call for a clove of garlic, but just how much is that? How many carbs are there in cabbage? Have you ever wondered how many carbs are in cabbage? Find out the answer here.