Biology, 04.02.2020 23:46 lalaween098
Apiece of plastic (sample q), was heated at a constant rate. after 20 minutes of adding heat, the plastic melted. when an identical piece of plastic (sample r), was heated with twice as much heat per minute, the plastic melted in 10 minutes. how do the melting points of the two pieces of plastic compare?
a. the melting point of sample r is double that of sample q.
b. the melting points of sample q and sample r are the same.
c. the melting point of sample r is slightly higher than sample q's.
d. the melting point of sample q is higher than sample r's.
Answers: 2
Biology, 21.06.2019 17:40, goaliekid2663
There are six elements that make up most of the human body. which of the following is not one of these six elements?
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Biology, 22.06.2019 13:00, lays20001
How do you think earths interior affects what is happening on the surface? 2. how do fossils support the continental drift hypothesis? 3. how does sea- floor spreading support the hypothesis of continental drift? 4.what do scientists observe when they studied the magnetic fields of rocks on the sides of mid-ocean ridges? 5. what is a tectonic plate ? 6. explain mantle convection 7.how can movements of the continents affect earths climate? 8. what occurs during drifting?
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Biology, 22.06.2019 16:00, lilquongohard
Which of the following would involve looking at different structures of organisms and comparing how similar they are? a. vestigial structuresb. radiometric datingc. homologous structures
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Apiece of plastic (sample q), was heated at a constant rate. after 20 minutes of adding heat, the pl...
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