Biology, 28.10.2019 12:31 ariana0517
Jorge is testing the effect of lead on child development. based on his observations, he finds that the longer the children are exposed to lead-based paint, the higher the chance becomes that the children may develop behavioral problems. he has done repeated experiments, and his results are similar to the results of many other scientists.
why is this scenario considered a theory rather than a hypothesis?
it is a testable scenario.
it is based on prior knowledge.
it is a well-tested explanation.
it is a factual statement.
Answers: 2
Biology, 21.06.2019 15:00
Dna is the genetic material that makes up living things, and folic acid plays an important role in the information of dna. jon wants to study the effect of folic acid on dna formation in microbes. which statement accurately describes the variables in this study
Answers: 2
Biology, 22.06.2019 01:00
Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand
Answers: 1
Biology, 22.06.2019 15:40
Which kind of mutation has occurred when the codon for an amino acid is changed to a stop codon? a. a silent mutation b. a missense mutation c. a frameshift mutation d. a nonsense mutation
Answers: 1
Jorge is testing the effect of lead on child development. based on his observations, he finds that t...
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