Answer: a
Eon, Era, Period
Explanation:
There may be 2 or more Eras in an Eon, and at least two Periods in an Era.
For example, The Phanerozoic Eon consists of the Cenozoic, Mesozoic, and Paleozoic Eras.
The Mesozoic Era consists of the Cretaceous, Jurassic, and Triassic Periods.
Answer:
Reasons for colonizing Mars include curiosity, the potential for humans to provide more in-depth observational research than unmanned rovers, an economic interest in its resources, and the possibility that the settlement of other planets could decrease the likelihood of human extinction. Mars is an excellent place to investigate this question because it is the most similar planet to Earth in the Solar System. Evidence suggests that Mars was once full of water, warmer, and had a thicker atmosphere, offering a potentially habitable environment.
Explanation:
Answer:
helped her reader see her outline for the paper
Explanation:
