Which is the correct order of the processes responsible for the formation of sedimentary rocks?

weathering, cementation, deposition

erosion, deposition, compaction

cementation, compaction, erosion

Which of these is a drawback of using natural gas? a. it is fairly safe for use in homes.b. it burns more cleanly than crude oil products.c. scientists have developed new ways of extracting it.d. during its extraction, groundwater can be contaminated.