Which of the following correctly compares the radii of F and F−? (5 points) F has a smaller radius than F− because an additional electron causes greater repulsion in F−. F has a larger radius than F− because an additional electron causes greater repulsion in F. F has a smaller radius than F− because F− has an additional energy shell. F has a larger radius than F− because F has an additional energy shell.

indicate valleys, hills, steepness and gentleness of slopes.

explanation:

contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.

answer by yourhope:

how do models compare to real-world objects?

d. most models represent a real-world object in a simpler way.

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the earth would become to overheated and everything alive on it will eventually die from overheating. plants will eventually die as well, water will evaporate, and it will be nothing but a hot planet without anything living on it.