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True or false? The two chambers at the bottom of your heart are called ventricles.
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What is the name of the substance that gives skin and hair its pigment?
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What do scientists think might cause the universe to stop expanding and collapse in the Big Crunch? dark energy dark matter cosmic background radiation gravity
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The colored part of the human eye that controls how much light passes through the pupil is called the?
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What is the name of the biggest part of the human brain?
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A group if organisms of different species living together in a particular place is called a?
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How is variation produced in populations
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Ripping up a piece of paper is physical change or chemical change?
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If a decision was made to convert forest to agriculture, which would be an example of a negative trade-off based on this decision?
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What is a calorimeter and how is it similar to cellular respiration
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PLEASE HELP!! I WILL MARK MOST BRAINLIEST ANSWER what evidence is there that echinoderms are the most advanced group of invertebrates
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Which process in respiration takes place last
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The distance between jupiter and the sun is 5.2 au whats the diffrence in millions of kilometers? one au is about 150 million kilometers.
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A solution that is a 4 on the pH scale is a _____. A. weak acid B. strong acid C. weak base D. strong base
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Blank is an inheritance pattern in which a trait is controlled by many genes?
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