Only temperature and salinity have an effect on the speed of sound. Indicate whether the statement is true or false
ANS: F
The speed of sound in water changes based on water's temperature, salinity, and pressure. This can
cause depth readings from echo sounders to be inaccurate. Information can be found in the section
Understanding the Ocean Began with Voyaging for Trade and Exploration
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Why can the United States legally transport its electronic waste when many other countries cannot?
A. The United States can export its e-waste legally because it exports directly to recycling centers. B. The United States can export its e-waste legally because it is exempted from most international laws. C. The United States can export its e-waste legally because it can afford the safety measures needed for safe transport. D. The United States can export its e-waste legally because it has not ratified the Basel Convention. E. The United States can export its e-waste legally because it has previous trade agreements with some countries.
) Smart growth attempts to address the problem of
A) urban/suburban sprawl. B) gentrification. C) cycle of poverty. D) redlining. E) segregation.
What is defined here? "A larger cluster of irregularly shaped, rocky planetesimals form an orbiting belt between Mars and Jupiter."
A) comets B) meteors C) asteroids D) meteorites
What is another term for "stream sediment"?
A. Cutbank B. Colluvium C. Alluvium D. Levee