7. sediments originate from elements in seawater that precipitate out of solution. a. hydrogenous b. biogenous c. terrigenous d. turbidigeous

Correct answer choice is:

D. Hydrogenous

Sediments provide clues to unraveling the mysteries of Earth in the past. Hydrogenous sediments are created directly from the water of the sea or ocean. These are the precipitates of insoluble material, consisting of mainly rock and soil, which are taken from the land areas to the ocean by the means of wind and rivers

an ion is a charged atom or molecule. it is charged because the number of electrons do not equal the number of protons in the atom or molecule. an atom can acquire a positive charge or a negative charge depending on whether the number of electrons in an atom is greater or less then the number of protons in the atom.