Q: The accumulation of what cells begin the development of the vertebral column and thoracic cage? Choices: - semiosis cells - hindbrain cells - False cells - mesenchyme cells A:
mesenchyme cells

Q: The mechanics of dynein-based bending involve a process that resembles what? Choices: - running - standing - jumping - walking A:
walking

Q: Q: The frequency of a wave is the reciprocal of what other attribute of the wave? Choices: - amplitude - length - term - period A:
A: period

Question: Q: The primary lymphoid organs are the bone marrow and what else? Choices: - pinneal gland - thyroid - kidneys - thymus gland A:
Answer: thymus gland

*Question*
Q: What causes cumulus clouds to grow upward? Choices: - moisture currents - gas currents - mantle currents - convection currents A:
**Answer**
convection currents

Q: Q: When waves of two different frequencies interfere, what phenomenon occurs? Choices: - making - opening - soaking - beating A:
A: beating