Name the world's largest language family (used by nearly half of the world's population)
What will be an ideal response?
Answer: Indo-European
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Water vapor is often the most abundant dissolved gas within magma. What best describes the source of water in gas-rich magmas?
A. heavy rainfall in tropical areas B. shallow groundwater circulating through continental crustal rocks C. water-rich sediment in subduction zones D. seepage of seawater into oceanic crustal rocks E. all of the answers listed here
What are the major demographic trends for this region, and what factors explain these patterns?
What will be an ideal response?
Energy can be formally defined as
A. the random motion of molecules.. B. the capacity to do work or to transfer heat. C. a force that is exerted over some distance. D. the movement of molecules. E. the loss of matter.
Which of the following functions are performed by secondary messengers?
A) amplification of a message B) transmission of a message one cell to another C) both a and b D) neither a nor b