21V battery is connected in series with a load and the terminal voltage is found to be 10V. Current through the circuit is measured as 5A. What is the internal resistance of the battery? Express the answer in 2 d. p.​

What did the pattern of earthquakes in the wadati-benioff seafloor zones show scientists? a.) earthquakes occur where the ocean floor reaches its highest temperatures. b.) many earthquakes take place 700 kilometers below the seafloor. c.) slabs of ocean floor return to the mantle in subduction zones. d.) ocean - trenches cause earthquakes.

The earth rotates on its axis and revolves around the sun every

In yusel komunnyakaa's camouflage the chimera what is a chimeraa animal coming to vietnamb a type of military outfitc mythological creatured nick name for military units