Respuesta :
B. "Scientists Discover Concrete Evidence of Life on Mars" The other options sound very lazy and informal .
B. "Scientists Discover Concrete Evidence of Life on Mars" The other options sound very lazy and the informal headline sounds the most credible.
What is the first evidence of life on Mars?
In August 1996, a group of scientists announced that they had found evidence of ancient life on Mars. This evidence included bacteria-shaped objects and organic chemical molecules in the martian meteorite ALH 84001, which was collected in Antarctica.
Is human life on Mars possible?
Human survival on Mars would require living in artificial Mars habitats with complex life-support systems. One key aspect of this would be water processing systems. Being made mainly of water, a human being would die in a matter of days without it.
Learn more about Evidence of Life on Mars at
https://brainly.com/question/1421245
#SPJ2