(Q).
Q: Which property changes when a glass breaks? Choices: - State - Chemical - density - its physical property A:
(A).
its physical property

(Q).
Q: Elements with magic numbers of what tend to have more stable isotopes? Choices: - nucleus - pressure - molecules - protons A:
(A).
protons

(Q).
Q: What do you call the strands of dna wrapped around proteins, which are located inside the nucleus? Choices: - receptors - ribosomes - fibrils - chromosomes A:
(A).
chromosomes