Answer:
The correct answer is "uranium-238".
Explanation:
Uranium-238, is the most abundant isotope of the element uranium. Uranium-238 has not enough nuclear force to balance electrostatic forces between protons, and as a result, it is a radioactive isotope and its losing energy because of the spontaneous breakdown of its atomic nucleus. Uranium-238 has a half-life of 4.5 billion years and is used as fuel in nuclear reactors as well as for dating purposes.
Regular physical activity can help prevent or manage many health conditions including high blood pressure, diabetes, depression, Osteoporosis, and Obesity. Im not sure if its your text book answer but i am a personal trainer and i gave you more than one benefit to choose from. Physical activity should be a way of life for everyone
<span>For bees, their forage or food supply consists of nectar and pollen from blooming plants within flight range</span>
4.75 billion years ago, a large star near what is now the Solar System went supernova, sending heavy element debris outward into the galaxy. Some of the debris, after traveling long distances through space, collided with a Hydrogen cloud.
Answer:
C
Explanation:
C. The nucleus is the site of protein assembly.
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