The cell needs transcription because the DNA cannot leave the nucleus and therefore cannot transmit info to the other cells.
B. The flower color in a population changes over time.
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.