A young woman hears cicadas chirping outside of her window, the last time she heard this noise, she was a teenager in middle school (about 13 years ago). the fact that these insects emerge every 13 years is due to the fact that cicadas have annual clocks.
Answer: A. Should be the answer.
Explanation:
Answer:
Your skin goes through a natural turnover cycle every 30 days or so. When this happens, the upper layer of your skin (epidermis) sheds, revealing new skin from the middle layer of your skin (dermis). However, the cell turnover cycle isn't always so difinite.
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The invention of the "printing press" originally allowed information to travel far past its place of origin.
Johannes Gutenberg who was a goldsmith is normally referred
to as the designer of the printing press. This role to the innovation was
progressive, empowering the large scale printing of books and the quick
dispersal of information all through Europe. The printing press spread inside
quite a few years to more than two hundred urban communities in twelve European
nations.
