Which type of substance yields hydrogen ions,
H, in an aqueous solution?
(1) an Arrhenius acid
(2) an Arrhenius base
(3) a saturated hydrocarbon
(4) an unsaturated hydrocarbon

How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?

No copying 15 pts how does a free-body diagram tell you about the net force on an object?