Please answer the following question: Fact 1: Fission takes place when an animal divides into two parts. Fact 2: If the nucleus breaks up into lighter elements, it is called fission . Given the two facts above, answer the question "What breaks up into two lighter elements when an animal divides into two parts?" with the following options: - the blood cells - the heart - Energy. - the main element - heat energy - light energy - the nucleus - sensory neurons
Answer:
the nucleus