Answer: the answer is False
I believe that the answer is Cells or carbon.
Answer: Bam
Explanation: 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.
<span>Eras are divided into periods which can be further divided into "Epochs"
Hope this helps!</span>
Answer:
The central nervous system is composed of the brain and spinal cord.
