Which of the following products are formed when sodium reacts with water?
A) NaH + O2
B) NaO + H2
C) Na2O + H2
D) NaOH + H2
D
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Subsidence and sinkholes
A. Leave gaps in the bedrock that then fill up with salt water B. Can, with difficulty, be reversed and the ground surface raised again C. Increase the total area of recharge zones D. Are a consequence of saltwater intrusion E. Are probably a permanent loss of an aquifer
Subsidence can occur as the result of extraction of oil. Indicate whether the statement is true or false
The totality of learned behaviors and attitudes transmitted within a society to succeeding generations by imitation and instruction is called
a. culture. b. divergence. c. cultural landscape. d. cultural lag. e. cultural trait.
Most ocean waves form as a result of ________
A) seismic events B) winds blowing across the ocean surface C) landslides D) density differences between water layers E) Earth's rotation