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Scientists have evidence that the extinction of the dinosaurs was related to the impact of a large meteoroid or comet with Earth. A key piece of evidence is the existence of a thin layer of
meteoroid material in the rock layers that formed around the time of the extinction What would be an example of additional
, empirical evidence to support the extinction hypothesis?
A finding fossils that had been crushed
B. O finding fossils of early mammals with the dinosaur fossils
C. finding a large crater that dates from the time of the dinosaur extinction
D. finding dinosaur fossils in rock layers younger than the layer with the meteoroid material
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Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h
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What is the independent variable in this investigation? mass volume sample number substance density
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Chemistry, 22.06.2019 17:00
According to the kinetic-molecular theory, what happens to a liquid when it is transferred from one container to another? the volume and the shape stay the same. the volume increases to fill the new container, but the shape stays the same. the volume stays the same, but the shape changes to fit the new container. the volume and the shape change to fill the new container.
Answers: 2
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