Correct explanation needed here....

difterance methad to apporoximato lime veate and contural ditforoenco mothad to apperacimate x-deriuativos. The veosusting oqualion is in i) Implicit vimar faurm ii) Eaplicit dinaar fovem iiiy Tmplicit mon-Limear fourm iv) Explicit mon-dimear fouren. b). CFD is basod an fundamontal goveraning equations at - i) Contimuity ii) Emergy iii) Momenturm iv) All at there. c) Navier-Stoke oquation is usetul in the analy sis of i) viscous thaus ii) mon-wiscous tiow. iii) Turbulent frow iv > none of those. d) Reporesentation of timite difterence deriuntiue is basodon i) Tayton verios eapansion ii) Nouton's Gocond lave al iii) Fuedick Lau iv) None of theoe e) Im stoady stato at-a fluid; the acoolaration of amy ficud particte i) 200 iiy constant iii) ceariable iv) Nancora ) Moshing is 1) Lacalization puracos ii) Menging purocoss iii) Discretization precoos ivy All at yihe aboces. g) which of thedo plats are iveralceant to at p post.puracosoing? i) contour plalo ii) wocoos plats iii) xy plots iv) Bar plato