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Author Question: Four different main-sequence stars are colored blue, orange, red, and yellow. What is their rank ... (Read 18 times)

debasdf

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Four different main-sequence stars are colored blue, orange, red, and yellow. What is their rank from coolest to hottest?
 
  A) red, yellow, orange, blue B) blue, yellow, orange, red
  C) red, orange, yellow, blue D) orange, blue, yellow, red

Question 2

When an unstable nucleus decays by emitting an alpha particle, the atomic number Z of the nucleus
 
  A) increases by 4.
  B) increases by 2.
  C) decreases by 2.
  D) decreases by 4.
  E) remains unchanged.


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Sammyo

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Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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