Question

Classify the statements as true or false.

Fossils help scientists date rocks.
Sometimes younger rock layers are found beneath older rock layers.
No fossils from the Precambrian era have been found because there were no organisms at that time.
The map of Earth has changed over millions of years, but it is now set.

Answer 1

Fossils help scientists date rocks: True

Sometimes younger rock layers are found beneath older rock layers: True, because it happens with landslides and other causes.

No fossils from the Precambrian era have been found because there were no organisms at the time: False because there were organisims like algae and bacteria, and there are a very small amout of fossils from that era.

The map of Earth has changed over millions of years, but is now set: False.