instruction: After completing the first chapter of this topic, I want to practice my skills, so start practicing answering the questions in the Knowing prehistory tab in the Khan Academy app.

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      text: "(Choice A)   Stratigraphic dating uses the content of the fossils or artifacts themselves to place them in time; carbon dating relies on the layers of earth surrounding fossils or artifacts"
      is_checkable: true
      is_clickable: true
      depth: 28
    }
    nodes {
      bounds_in_screen {
        left: -5
        top: 802
        bottom: 808
      }
      class_name: "android.view.View"
      text: "(Choice A)   Stratigraphic dating uses the content of the fossils or artifacts themselves to place them in time; carbon dating relies on the layers of earth surrounding fossils or artifacts"
      depth: 28
    }
    nodes {
      bounds_in_screen {
        left: 7
        top: 1128
        right: 55
        bottom: 1175
      }
      class_name: "android.widget.RadioButton"
      text: "(Choice B, Checked, Correct)   Carbon dating places fossils or artifacts in time by measuring their radiocarbon content; stratigraphic dating relies on the layers of earth surrounding those fossils or artifacts"
      is_checkable: true
      is_checked: true
      is_clickable: true
      depth: 28
    }
    nodes {
      bounds_in_screen {
        left: -5
        top: 1120
        bottom: 1125
      }
      class_name: "android.view.View"
      text: "(Choice B, Checked, Correct)   Carbon dating places fossils or artifacts in time by measuring their radiocarbon content; stratigraphic dating relies on the layers of earth surrounding those fossils or artifacts"
      depth: 28
    }
    nodes {
      bounds_in_screen {
        left: 7
        top: 1532
        right: 55
        bottom: 1577
      }
      class_name: "android.widget.RadioButton"
      text: "(Choice C)   Stratigraphic dating is a type of radioactive dating that only applies to matter which was once living"
      is_checkable: true
      is_clickable: true
      depth: 28
    }
    nodes {
      bounds_in_screen {
        left: -5
        top: 1524
        bottom: 1529
      }
      class_name: "android.view.View"
      text: "(Choice C)   Stratigraphic dating is a type of radioactive dating that only applies to matter which was once living"
      depth: 28
    }
  }
}


assistant: !FUNCTIONCALL{"name": "click", "parameters": {"x": 852, "y": 2258}}