Answers edited by glerp

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• How does mining affect the atmosphere, biosphere, lithosphere, and hydrosphere?
  
• What is the specific heat of the unknown metal sample?
  
• How do peppered moths after the Industrial Revolution show the process natural selection?
  
• What is sinoatrial node and what is its function?
  
• The following is an example of..? ACGUCAGUA #-># Threonine—Serine—Valine ACGUUAGUA #-># Threonine—Leucine—Valine
  
• Does the skull, in the correct use of the term, include the cranial and the facial bones?
  
• How can animal cloning bring back extinct animals? Can someone tell me how scientists do this or the process?
  
• What is electronegativity?
  
• I need help on finding a sum of 2 numbers that adds up to 186. The difference between them is 32, can you help me?