Which best supports the evidence that an asteroid collision may have caused caused the extinction of dinosaurs?(1 point)
Responses
Rare metal on Earth called Iridium is found in layers where dinosaurs disappeared.
Rare metal on Earth called Iridium is found in layers where dinosaurs disappeared.
Dinosaur fossil remains are found at the bottom of a body of water.
Dinosaur fossil remains are found at the bottom of a body of water.
Many dinosaur skeletons are found in one particular rock layer.
Many dinosaur skeletons are found in one particular rock layer.
Bodies of dinosaurs are only found in craters where asteroid collided.
Rare metal on Earth called Iridium is found in layers where dinosaurs disappeared.
Which is correct about fossils location and age?(1 point)
Responses
Fossils found in rock layers closest to Earth’s surface are the oldest.
Fossils found in rock layers closest to Earth’s surface are the oldest.
Fossils found in rock layers that have been disturbed are the oldest.
Fossils found in rock layers that have been disturbed are the oldest.
Fossils found in among numerous other fossils are most recent in age.
Fossils found in among numerous other fossils are most recent in age.
Fossils found in lower rock layers are older than fossils found in upper layers.
Fossils found in lower rock layers are older than fossils found in upper layers.
Why are time periods on the geologic time scale not even in length?(1 point)
Responses
They are based on the type of fossils found in rock layers of the Earth.
They are based on the type of fossils found in rock layers of the Earth.
They are based on the thickness of the Earth's rock layers.
They are based on the thickness of the Earth's rock layers.
They are based on a different type of calendar used to track Earth’s history.
They are based on a different type of calendar used to track Earth’s history.
They are based on important events that happened in Earth’s history.
They are based on important events that happened in Earth’s history.
The best evidence that supports the theory of an asteroid collision causing the extinction of dinosaurs is:
Rare metal on Earth called Iridium is found in layers where dinosaurs disappeared.
The response that best supports the evidence that an asteroid collision may have caused the extinction of dinosaurs is:
Rare metal on Earth called Iridium is found in layers where dinosaurs disappeared.