In 1953, the Miller-Urey experiment showed that, under conditions similar to Earth’s early atmosphere, organic compounds could be formed from atmospheric gases. The results of this experiment are considered to support which of the following ideas about the origin of life on Earth?

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics

What is true about all plutons? they form below earth’s surface. they form near earth’s surface. they form above earth’s surface. they cut across other rock layers.

The periodic table houses noble gas elements in group 18. these elements are highly stable and rarely react with any other elements. what is one possible reason for the stability of the noble gas elements? a. they easily form covalent bonds. b. the compounds that they form with other elements are very unstable. c. their outermost shell has the maximum number of electrons that it can hold. d. they require less activation energy.