What is the most intriguing piece of evidence that suggests that the Martian meteorite ALH84001 may have once contained life?
A) molecules of DNA were found inside
B) oxygen gas was found trapped inside the meteorite
C) amino acids were found inside
D) highly magnified images of carbonate grains found inside reveal rod-shaped structures that look much like terrestrial nanobacteria
D
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Suppose you are head of NASA two decades from and have to make some budget cuts. Your agency has been planning four different missions to search for life in the solar system, and you need to cancel the least promising one. Which one do you cancel?
A) a mission to dig beneath an ancient Martian river bed B) a mission to explore the ice geysers of Saturn's Moon Enceladus C) a mission designed to plunge deep beneath Jupiter's cloud layers D) a mission to drill through the icy surface of Jupiter's Moon Europa
In the diathesis-stress model, "stress" refers to...
What will be an ideal response?
A temperature of –65 Kelvin is equivalent to _____ degrees Celsius
a. 219.1 b. 208.0 c. –53.9 d. –338.2
The measure of how hot or cold something is compared to a freezing point is referred to as the