Answer 1


សុកមាននាទីបណ្តូរសារធាតុចិញ្ចឹម O2 កាកសំណល់និង CO2 រវាងម្តាយនិងអំប៊្រីយ៉ុង ។


Login or Register to Share Login
×

×

Tips to earn more points:

  • Get 2 point for each question.
  • Learn more how to earn point quickly with Point Center

Login

×

One more step

Please login to share your idea

Register Login