What is the ph scale? a. it is a measure of the acidity in a solution. c. it is a measure of the amount of pollution in the air. b. it is a measure of the severity of acid rain. d. it is a measure of the quantity of sulfuric and nitric particles in the air.

Suppose a random sample of 84 men has a mean foot length of 26.9 cm with a standard deviation of 2.1 cm. what is an 95% confidence interval for this data? question 3 options: question 24 options: 28.58 to 25.22 21.52 to 32.28 24.8 to 29 24.21 to 29.59

Write a personal narrative essay that describes a significant experience that has shaped your identity. develop the narrative through pacing, dialogue, and details that engage the reader.

All of these sentences include commonly confused homophones. which sentence is correct? you put too much sugar on your breakfast serial. my father grows vegetables and flours in his garden. will someone me untie the knot in my shoelace? when did the captain set sale on his trip to north america?