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Which seven colors are the colors of the rainbow
Sometimes when it just rains, there will be a rainbow, but it is not common, every time a rainbow will attract a lot of attention, and there are different sayings about the color of the rainbow, then the colors of the rainbow is which seven color order is? -
The world's most color-changing crab: The tide crab
We have seen more crabs, but have you seen crabs that can change color? Do you know what the world's most color-changing crab is? The most color-changing crab in the world is the tide crab. This crab can change its color freely many times a day, up to eight different colors and they live in caves underwater in temperate and tropical bays. -
Watch out for these early symptoms of colorectal cancer
Colorectal cancer refers to malignant tumors that occur in the colon and rectum, also known as colorectal cancer. According to the latest statistical data of relevant institutions, the incidence rate of colorectal cancer ranks second in malignant tumors and the mortality rate ranks fourth. Since 2000 to 2016, the incidence rate and mortality of colorectal cancer have shown an upward trend.
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