Which of the following correctly describes seafloor spreading? a. new oceanic crust is formed in the middle of tectonic plates and then spreads outward in bands. b. new oceanic crust is formed at midocean ridges, pushed away from the ridge, and destroyed at deep-sea trenches. c. new oceanic crust is formed at seamounts and spreads outward in all directions. d. new oceanic crust is formed at deep-sea trenches, pushed away from the trench, and destroyed at midocean ridges. mark for review (will be highlighted on the review page)

Which statement is a proper biconditional statement for the conditional statement: if a line intersects a line segment at its midpoint, then it is a segment bisector. if a line is a segment bisector, then it intersects the line segment at its midpoint. if a line does not intersect a line segment at its midpoint, then it is not a segment bisector. a line intersects a line segment at its midpoint if, and only if, it is a segment bisector. if a line is not a segment bisector, then it does not intersect the line segment at its midpoint.

Compare the quantity in column a with the quantity in column b. pa p a is tangent to the circle at a. column a column b ap a p ax a x question 4 options: the two quantities are equal. the quantity in column a is greater. the relationship cannot be determined from the information given. the quantity in column b is greater.

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