Air pressure is produced through the motion, size, and number of air molecules
Indicate whether the statement is true or false
TRUE
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A volcanic breccia texture indicates that
A) there was a lot of gas in the magma. B) the rock cooled quickly. C) the rock broke apart as it flowed. D) the rock cooled slowly. E) the ash and pumice were hot and became compacted.
Which of the following describes radioactive decay by beta particle emission?
A) The atomic number of the daughter isotope is one more than the parent; the mass numbers are the same. B) The daughter isotope has an atomic number one less than the parent and a mass number two less. C) The mass number of the daughter isotope is one more than the parent and both isotopes have the same atomic number. D) The daughter isotope has an atomic number two less than the parent and a mass number four less.
It is likely that an increase in global temperature would result in an increase in cloud cover. Which of the following statements BEST describes the total impact of additional clouds on the Earth system?
A) Clouds provide an exclusively positive-feedback response to warming. B) Clouds provide an exclusively negative-feedback response to warming. C) Clouds provide both positive-feedback and negative-feedback responses to warming. D) Clouds provide neither positive-feedback nor negative feedback responses to warming.
Which of the following can influence whether a shoreline gains or loses sand with time?
A. the amount of sediment in rivers B. the amount of precipitation on land C. prevailing wind direction D. a longshore current E. All of these choices are correct.