Compared to the mid-ocean ridge, sediment near the continents is: thicker thinner older the same

what might be this meaning of dis question?

older

Explanation:

thick & thin sediments are formed on old and younger crust. the sediments formed in the oceanic ridge are young, so their thickness is less than the thickness of sediments in the continental regions. also, the continental regions are near to lithogenous sediment, therefore they consists of thick sediment deposits formed since ages.

dna is made up of six smaller molecules -- a five carbon sugar called deoxyribose, a phosphate molecule and four different nitrogenous bases (adenine, thymine, cytosine and guanine).