250 संतरे में से 50 संतरे एक कक्षा में बाँट दिए गए, तो कितने प्रतिशत संतरे बचे
1. 80%
2.25%

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false

Why do oxygen have a strong attractive force for electrons