Approximentely how much energy is transferred from one step in a food chain to the next? 90% 1% .1% 10%

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

Which statements are true about electrolysis? check all that apply. electrolysis requires an acid be present. electrolysis is described by two half-reactions. electrolysis is not an industrial process. electrolysis results in commercially valuable products. electrolysis involves the transfer of electrons. reduction results in the loss of electrons. oxidation results in the loss of electrons.

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '