Scientists believe that the first replicating life systems may have been based on RNA. Indicate whether the statement is true or false
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Environmental & Atmospheric Sciences
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Groundwater results mainly from which process in the hydrologic cycle?
A) transpiration. B) interception. C) infiltration. D) runoff.
Environmental & Atmospheric Sciences
Viruses are responsible for all the following diseases except
A. AIDS. B. the common cold. C. malaria. D. influenza (the flu).
Environmental & Atmospheric Sciences
Edwin Hubble discovered that the farther away a galaxy is the
A) faster it is receding from us. B) more massive it is. C) more energetic it is. D) more black holes it contains.
Environmental & Atmospheric Sciences
On this map of South America and adjacent areas, which site would have earthquakes related to plate divergence?
A. 1, the oceanic trench B. 2, below the magmatic belt C. 3, along a passive margin D. 4, in the middle of the Atlantic Ocean E. both 1 and 2
Environmental & Atmospheric Sciences