Mrs hernandez is explaining how gravitational forces of the moon and the sun pull the water in earths ocean causing tides he uses a basketball to represent the sun and a golf ball to represent the moon what would be a good object to represent earth and to show the effect of gravity on it
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Researchers want to use edna to look for an invasive species in the water which of the steps would be likely do last
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The idea that all living things are made up of cells is considered scientific law. this means the idea is an emerging scientific idea that has a logical explanation. has been tested with similar results at least twice. is supported by scientific consensus and a large amount of evidence. has been rejected only once by the scientific community
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Mrs hernandez is explaining how gravitational forces of the moon and the sun pull the water in earth...
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