Research studies suggest that a high-fiber diet protects against colon cancer. This is because high fibrous food increases the bulk in the digestive tract to pass easily through the intestinal tract to shorten the time of passage. This short time of passage of food reduces the interaction of carcinogens present in the food with the intestinal tract. The fibers are broken down in butyrate by the bacteria present in the lower intestine. This butyrate inhibits the growth of tumors of colon and rectum,
-4
Explanation:
If a radioactive isotope undergoes alpha decay, it's mass number will change by -4.
The mass number of a nuclei is the sum of its number of protons and neutrons.
An alpha particle is similar of a helium atom:
⁴₂He
The atom above is made up of:
mass number = 4
Atomic number = 2
Number of protons = 2
Number of neutrons = 2
Number of electrons = 2
If a substance is undergoing radioactive decay, the mass number of the product will decrease by 4 and the atomic number will decrease by 2.
In nuclear equations, mass and atomic numbers are usually conserved.
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I'm not sure but my gut is telling me that it isn't B, I don't think D so I'm chowing between A and C, maybe Less Dense, I'm guessing it is at least cause the others just don't seem right
