How did scientists respond to Copernicus's discovery? A. Scientists paid no attention to Copernicus's work.
B. Scientists were slow to let go of the current theories.
C. Scientists quickly agreed with Copernicus.
D. Scientists were eager to examine Copernicus's evidence.

tracks, burrows, eggshells, nests, tooth marks, or gastroliths

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

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