Fission and fusion reactions
A) convert a tiny amount of the mass of the nuclear materials to energy.
B) convert energy to the mass of the nuclear materials.
C) release energy without a change in the mass of the nuclear materials.
D) invest energy to generate nuclear materials.
A
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What can you learn from soil and air temperature?
a. Soil temperature is an indicator of frozen ground status, driven partly by air temperature variability. b. Soil temperature is an indicator of frozen water status, driven fully by air temperature variability. c. Soil temperature is an indicator of heating ground status, driven fully by air temperature variability. d. Soil temperature is an indicator of heating water status, driven partly by air temperature variability. e. none of the above options are correct.
Groundwater provides important sources for human and landscape, including:
a. it is an important source for domestic, industrial, and agricultural use b. it is an important source of erosional agent c. it provides important energy source in some areas d. all of the above
This photo shows an outcrop on Mars; the image was transmitted to Earth by a robotic rover traveling over the Martian surface
When geologists saw this image, some of them suggested that the rocks could be evidence of flowing water at some point in Martian history. What do you see to support that hypothesis? What process other than flowing water might produce the features visible in the photo? What additional information would you use to distinguish between these two hypotheses? What will be an ideal response?
Land trusts are ________
A) federal government entities B) state government entities C) private nonprofit groups D) corporations E) municipal government entities