In the radioactive decay process of ________ decay, an electron is emitted from the nucleus of the parent isotope.
A. gamma
B. beta
C. alpha
D. delta
E. omega
Answer: B
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Matter that is near the Earth's surface, that is highly concentrated, and that has great potential for use as a resource is referred to as ____________________
Fill in the blanks with correct word
If the tilt of the earth's axis were to decrease from 23.5° to 13.5°,
A) summers would get cooler and winters would get warmer. B) both summers and winters would get warmer. C) summers would get warmer and winters would get colder. D) both summers and winters would get cooler.
The initial growth of northern continental glaciers that occurred between 3 million and 2.7 million years ago coincided with the formation of the Isthmus of Panama.
Answer the following statement true (T) or false (F)
Growing rice results in the release of ________ into the atmosphere
A) methane B) sulfur oxides C) nitrous oxide D) ozone E) sulfate aerosols