(Q).
Q: What are materials that are poor thermal conductors called? Choices: - pollution insulators - sunlight insulators - warmth insulators - thermal insulators A:
(A).
thermal insulators

(Q).
Q: What is the name for a series of changes in the reproductive system of mature females that repeats every month on average? Choices: - periodic table - urinary cycle - puberty - menstrual cycle A:
(A).
menstrual cycle

(Q).
Q: What does the thymus gland produce? Choices: - b cells - insulin - hormones - t cells A:
(A).
t cells