Answer:
Because there Buried under hundreds of years of dirt and rock
Explanation:
True. Saudi Arabia makes a ton of cash due to their reserve.
Answer:
The answer is the organism with skeletons did not evolve until after these rock layer formed.
Explanation:
The Earth is estimated to be 5.54 billion years old. The oldest rock discovered in the world is 5.4 billion years old. It took billions of years for the earth's crust to form and the atmosphere and water to settle in a suitable balance to allow for organisms with skeletons to grow. The oldest animals arrived much later, only 600 million years ago. Also, many metamorphic and igneous rocks are created underground and may not have any contact with organisms with skeletons.
Answer:
Due to tectonic activity, rocks on the ocean floor are continually recycled.
Explanation:
Tectonic activities are frequently occurring in the ocean and this results in the continuous recycling of rocks in the ocean floor and this is why it has been impossible to discover rock samples older than 200 million years ago in the ocean.
Answer:
Letter B. would be the best answer
Explanation:
They live on the bottom of the oean.