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The amount of uranium within nuclear fuel rods is enough to sustain a chain reaction but is less than the critical mass necessary for the reaction to become explosive.
Answer: B
Explanation:
That question lets you know how the pet is living on a daily basis. The other answer choices ask about medical history, but B asks about environment.
C)through the roots..........
Answer:
Phosphorus cycles between living things and the soil.
Plants absorb phosphates from the soil and turn them into organic compounds through assimilation.
Animals eat plants and pass the phosphorus through the food chain from one animal to the other.
An animal dies and decomposes, returning the phosphorus to the soil.
Explanation:
