Time management is very much important in IIT JAM. The eduncle test series for IIT JAM Mathematical Statistics helped me a lot in this portion. I am very thankful to the test series I bought from eduncle.
Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Sajan sarthak
1.Changes In Eu anomalies in cratonic pelites 2. Heavy REE no longer depleted in most TTG 3. Increase in continental heat flow/production 4. Change in composition of subcontinental lithosphere 5. Decrease in komatiites 6. Decrease in Ni-Cr in basalts 7. Increase in REE-HFSE in GR basalts 8. Decrease in Cr-Ni in many pelites 9.Appearance of evaporites 10. Appearance of BIF 11.Changes in greenstone 12. Appearance of Eu anomalies ir greenstone pelites 13. Change in Th/U and La/Yb of pelites
origin of life ,i mean in paleontology view?
, acritarchs, bacteria(1) microbial fossils, (2) stromatolites, (3 ) chemosynthetic bacteriaon the boundary of Archean and Proterozoic.