During the early earth, when photosynthesis has not yet evolved, there were only negligible amounts of free oxygen in the atmosphere. It was said that the Earth's atmosphere had no free oxygen then. This is about 3.5 billion years ago.
The correct answer is four states.
California
Arizona
New Mexico
Texas
I think you forgot to attach the picture along with the question. I am answering the question based on my research."Gravity" is the one process of soil erosion among the following choices given in the question that is being <span>prevented by the structure shown below. The correct option among all the options that are given in the question is the second option.</span>
Answer:
A match has a higher temperature
The iceberg has more thermal energy
Explanation:
Hope this helped
Answer:
Scientists are able to understand Earth's interior by studying seismic waves.
Seismic waves travel at different speeds when they pass through different types of material, so by studying seismograms, scientists can learn a lot about Earth's internal structure.
