GEOLOGY

Detailed explanation-1: -They tell us what organisms lived in a certain place. They can tell what the organism looked like. They can tell what the environment was like in the place where the organism lived. Fossils can also tell how organisms have changed over time.

Detailed explanation-2: -S1: Palaeobotany is the study of fossil plant preserved in rocks dating back in millions of years.

Detailed explanation-3: -Studying fossil pollen and other fossils helps scientists to learn more about climate change. Based on the evidence these fossils provide, we can find out whether or not climate has changed in the past, and how fast and frequently climate changes occurred.

Detailed explanation-4: -What she saw reminded her of some of the earliest plants-600 million year-old algae from China. But these Indian rocks were much older-1.6 billion years old, making these the oldest plant-like fossils ever seen.