Why are time periods in the geologic time scale are not even in length?
They are based on the type of fossils found in rock layers of the earth.
They are based on a different type of calendar used to track Earth's history.
They are baed on the thickness of the Earth's rock layers.
They are based on important events happened in Earth's history.
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need help pls
They are based on important events happened in Earth's history.
1. A body of a jellyfish
2. Rare metal on earth called Iridium is found in layers where dinosaurs appeared
3. Fossils found in lower rock layers are older than fossils found in upper layers
4. They are based on important events that happened in Earths history.
These are the answers
2. Rare metal on earth called Iridium is found in layers where dinosaurs appeared
3. Fossils found in lower rock layers are older than fossils found in upper layers
4. They are based on important events that happened in Earths history.
These are the answers
is this correct?
@Les
is right
have a nice day
is right
have a nice day
1 answer