Biology, 13.11.2020 20:10 Brendangrigley6571
If we had 600 g of radioactive substances how much of the radioactive substance would remain radioactive after 4 half-lives?
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Ascientist is studying muscle twitches in chicken quadriceps. to activate the muscle, he needs to provide stimulus to the
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Which locations on the map are low-pressure areas? a b c d e
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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?
Answers: 3
If we had 600 g of radioactive substances how much of the radioactive substance would remain radioac...
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