Which statement accurately describes the geologic features? d occurred after b. d occurred before a. a formed after the horizontal layer above was deposited. f formed before the horizontal layer above was deposited.

Are the earth's ocean floor and continents the same age geologically? why or why not?

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity

Select the correct answer. what does the hardy-weinberg principle relate to? a. chances of survival of an organism b. frequency of alleles in a population c. natural selection in a species d. causes of evolution among organisms