(Q).
Q: What are used to write nuclear equations for radioactive decay? Choices: - special symbols - chemical symbols - energy symbols - nuclear symbols A:
(A).
nuclear symbols

(Q).
Q: What do we call the temperature at which a substance melts? Choices: - boiling point - precipitation point - evaporation point - melting point A:
(A).
melting point

(Q).
Q: All animals have specialized types of what basic structures, which can then do different jobs? Choices: - proteins - muscles - atoms - cells A:
(A).
cells