proterozoic era meaning in Hindi

Examples

1. According to fossil records, fungi date back to the late Proterozoic era 900-570 million years ago.
2. According to fossil records, fungi date back to the late Proterozoic era, 900-570 million years ago.
3. The bluff has outcrops of Proterozoic era rocks that are the amongst the oldest found in Tasmania.
4. Subsequently, in the Proterozoic Era, the Taishan region began to rise, becoming part of the continent by the end of the era.
5. The oldest known rock found in Georgia comes from the Precambrian Proterozoic Era and is about 1 to 1.34 billion years old.
6. Despite the anoxia indicated by the BIF, photosynthesis continued, stabilizing climates at new levels during the second part of the Proterozoic Era.
7. It has been suggested MTB evolved in the early Proterozoic Era, as the increase in atmospheric oxygen reduced the quantity of dissolved iron in the oceans.
8. In the Hadean, Archean, and early Proterozoic eras of Earth's history, the chemistry of erupted magmas was significantly different from today's, due to immature crustal and asthenosphere differentiation.
9. Predictions of past CO 2 levels suggest that they may have previously dropped as precipitously low as that seen during the expansion of land plants : approximately 300 MYA, during the Proterozoic Era.
10. Scientists believe there was a major increase in oxygen levels beginning about 2.4 billion years ago, followed by a long stretch called the Proterozoic era before oxygen levels started to rise again roughly 800 million years ago.