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A field trip to a rock quarry
The quarry should be visited by the teacher in advance. View how the rock is removed. If the rock is sedimentary, view the layers. Collect rock samples to take back to the classroom for study. Look for fossils of any plants or animals. A field trip might also be planned to an exposed rock cut or ledge and to a coal mine if there is any nearby.
Explain how the uterus supports the development of a baby during gestation.
Genetic Engineering: The modem biotechnology revolution is based on the understanding and manipulation of the structure of DNA. DNA is a complex organic molecule that directs
Explain the term- lichens The lichens are able to extract nutrients from the rocks . They are capable of retaining water for a long time during which chemical processes take p
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Keep volume of water in body constant - Function of Kidney Keep the volume of water in the body constant by removing excess fluid from the body. The kidneys regulate the volume
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