What transition energy corresponds to an absorption line at 460 nm? A. 4.45 x 10-19
O B. 4.32 10-19
O c. 2.31 x 10-19 J
D. 6.52 x 10-19

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

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 ?