Select the correct answer. A solution has a ph of 4. 20. Using the relationship between ph and poh, what is the concentration of oh−? a. 9. 9 × 10-1 m b. 6. 2 × 10-1 m c. 6. 3 × 10-5 m d. 6. 7 × 10-6 m e. 1. 6 × 10-10 m.

The car wash owner uses the equation y=x+44 to model the data, where x represents the number of days the business has been open and y represents the number of cars washed.

What should you adjust to make your hard hat fit properly

Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.