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Answers by Jackie Chan

Answers by Jackie Chan
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The atomic symbol mc025-1.jpg represents potassium-40 (K-40), a radioactive isotope that has 19 protons and 21 neutrons. Which atomic symbol could represent an isotope that results from the decay of K-40?
answered Nov 20, 2018
1 vote
57.2k views
For three years at the houston veterans affairs medical center, dr. bruce moseley and many others conducted a fascinating study of the effectiveness of arthroscopic surgery for osteoarthritis of the knee.
answered Jul 3, 2018
4 votes
117k views
Only need help with The angle the road makes with horizontal
answered Jun 24, 2018
5 votes
118k views
(CESGRANRIO) Determine o parâmetro m na equação x²+mx+m²-m-12=0, de modo que ela tenha uma raíz nula e outra positiva.
answered Jun 9, 2018
3 votes
117k views
How many molecular orbitals would be present in a molecule with the formula: ch2o?
answered May 21, 2018
0 votes
48.4k views
The formula for the circumference of a circle is C = 2πr. Use this formula to write a formula for the RADIUS of a circle.
answered Apr 29, 2017
4 votes
157k views
What THREE statements are characteristic of the Renaissance? 1. began because of the rediscovery of learning 2. saw manors grow stronger 3. was hurried along by the invention of the printing press 4. saw
answered May 13, 2016
3 votes
33.2k views
The subunit (organelle) of the sperm that supplies the energy for motion is _____. ATP the mitochondria the flagellum the nucleus
answered Feb 1, 2016
1 vote
13.7k views
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