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What Causes an Echo?
What Causes an Echo? An echo occurs when sound bounces back from an object. When we speak or shout, sound waves travel through the…
Is a Turtle the Same as a Tortoise?
Is a Turtle the Same as a Tortoise? Yes. A turtle is the same as a tortoise. There is some confusion over the name…
How Many Dog Years Equal One Human Year?
How Many Dog Years Equal One Human Year? The first two years of a dog's life equal about the first 24 years of a…
Where Do Insects Go in Winter?
Where Do Insects Go in Winter? In parts of the world where winters are cold, most insects die at summers end. But they leave…
How Do Plants Give off Oxygen?
How Do Plants Give off Oxygen? Plants give off oxygen during the process of photosynthesis. Using green chlorophyll (which gives them their