The spectrophotometer available to the student has a wavelength range of 400 nm to 700 nm. What wavelength should the student use to minimize the interference from the presence of the Co2+(aq) ions?

How is organizing history by theme different from organizing history by region? a. a historian who organizes history by theme focuses on a specific individual, whereas a historian who organizes history by region focuses on a big idea over an extended length of time. b. a historian who organizes history by theme studies a specific time period, whereas a historian who organizes history by region studies a specific individual from human history. c. a historian who organizes history by theme studies a big idea that occurs over an extended length of time, whereas a historian who organizes history by region focuses on a specific length of time. d. a historian who organizes history by theme studies a big idea that occurs over an extended length of time, whereas a historian who organizes history by region focuses on a specific area of the world.

Terrence would like to reward himself after each goal he sets, but he's not sure what type of reward to choose. he's easily distracted and finds it hard to concentrate at times. which would be the best type of reward for terrence? a. a brief social network break b. a long nap c. a snack while he keeps studying d. watching a couple of tv shows

Itz not e i'm hungary, should i czech the fridge? imma go russian for the kitchen and i might find some turkey. only thing, it's covered in greece. there is absolutely norway i'm eating that! it's too chile! i belize i'm not ghana eat today. xddddd very punny hahahahahahahahhaah