(25points ) What information did you include in your answer? Check all that apply.

uranium-lead (U-Pb) dating

relative chronology

expected effect of additional similar results on mass-extinction hypothesis

connection between the use of new technology and a possible revision in the mass-extinction hypothesis

identification of the use of the new technology as a new experimental method

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my response :
A hypothesis is something that could possibly be false, a theory is something that is proven correct with evidence. A theory can be used to prove a hypothesis correct. An example of a hypothesis being repetitively experimented on is when one goes to jail and is then released, you do not know if they will stop doing bad things and it depends on the person. It is a hypothesis that they will stop doing wrong things.

relative dating involves things like higher layers are most recent than rocks lower in the sequence. this can be extended to the known sequence of fossils. rocks containing rabbit fossils are later than those containing dinosaur fossils.  

absolute dating methods mainly use radioactive elements that have known rates of decay and produce recognizable products. for example potassium 40 decays to produce argon. once a rock has solidified the argon is trapped. by measuring the argon and potassium0 you can get an accurate number for the age.  

some other methods are good for archaeological ages. dendrochronology involves recognizing the sequence of tree rings. the orientation of magnetized particles in baked clay can be used to date a fire.

hope this .. .

the index of refraction of the second medium is higher. i just took the test trust me !

d. groundwater flows through the subsoil and deposits minerals.