Biology, 29.10.2020 20:20, saintsfan2004
Limestone is a common form of calcium carbonate. When limestone is subjected to high heat, it becomes calcium oxide and releases carbon dioxide gas. This change in limestone, at a given temperature, is an example of:
A. a physical change like the melting of ice
B. a chemical change like the rusting of iron
C. an igneous change like the melting of rock in a volcano
D. a reversible change such as hardening melted butter
Answers: 2
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In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the
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The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body
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Anurse is caring for a 42-year-old client who is scheduled for an amniocentesis during the fifteenth week of gestation because of concerns regarding down syndrome. what other fetal problem does an examination of the amniotic fluid reveal at this time?
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Limestone is a common form of calcium carbonate. When limestone is subjected to high heat, it become...
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