Ngeneral, which trophic level has the least energy available to it? a) producer b) primary consumer c) secondary consumer d) tertiary consumer

Avehicle has an oil leak that is causing the entire oil pan to be wet, but inspection reveals no exact source after cleaning off the oil residue. technician a says to install a fluorescent dye in the crankcase and operate the engine, then re-inspect for leaks with a special light (black light). technician b says the oil leak may be coming from a source at the top of the engine, such as a valve cover gasket. who is correct?

If the textbook weighs 19.6 newtons on venus,what is the strength of gravity on venus?

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value