Question: Q: Volcanoes can be active, dormant, or what else? Choices: - remnant - still - burgeoning - extinct A:
Answer: extinct

Question: Q: Blood flows from the right atrium to the right ventricle, where it is pumped into the what? Choices: - bronchial circulation - respiratory system - kidneys - pulmonary circuit A:
Answer: pulmonary circuit

Question: Q: When an unstable nucleus emits radiation and is transformed into the nucleus of other elements this is called? Choices: - naturally decay - explosive decay - fusion decay - radioactive decay A:
Answer:
radioactive decay