Biology, 01.12.2019 03:31 BallerAlert1644
Fiona did an experiment to find the relationship between the angle at which a ray of light strikes a mirror and the angle at which the mirror reflects the light. she placed a ray box in front of a mirror. she changed the angle at which the light from the ray box struck the mirror and noted the corresponding angle at which the mirror reflected the light.
which of the following is the independent variable in this experiment?
the mirror used to reflect the light
the ray box used as the source of light
angle at which the light from the ray box strikes the mirror
angle at which the mirror reflects the light from the ray box
Answers: 1
Biology, 22.06.2019 13:10, hcoulter15
Which of the following best describes the purpose of the parathyroid hormone? a. it decreases the blood calcium level and decreases blood phosphorus level. b. it decreases the blood calcium level and increases the blood phosphorus level. c. it increases the blood calcium level and increases blood phosphorus level. d. it increases the blood calcium level and decreases blood phosphorus level.
Answers: 2
Biology, 22.06.2019 20:30, teresaparraz34
Explain 3 specific difference or 3 specific similarities between chimpanzee and human behavior
Answers: 2
Biology, 22.06.2019 21:00, primmprincess312
1)some people believe that certain drugs such as marijuana should be legalized. do you agree or disagree? 2)what impact might legalization have on forensic science as a field? which drug presents the greatest challenges to forensic science? why?
Answers: 1
Biology, 23.06.2019 00:30, koolbeast68
Paleontologists have found plant fossils deep within the layers of the north polar region. these leaf fossils have been labeled as to the rock layers they were found in, with the lower numbers being layers close to the earth's surface and higher numbers representing deeper layers. according to the numbers of these four leaf fossils, what might you infer?
Answers: 1
Fiona did an experiment to find the relationship between the angle at which a ray of light strikes a...
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