Dua buah cermin datar X dan Y saling berhadapan dan membentuk sudut 60 derajat. Seberkas cahaya menuju X dengan sudut datang 60 derajat sehingga dipantulkan ke Y. Hitunglah sudut pantul dari cahaya yang meninggalkan Y

Explain the difference between each pair of concepts. a. frequency and relative frequency b. percentage and relative frequency a. select the correct choice below. a. frequency is the total number of observations in a data set. relative frequency is the number of times a particular distinct value occurs. b. frequency is the number of times a particular distinct value occurs. relative frequency is the ratio of the frequency of a value to the total number of observations. c. frequency is the total number of observations in a data set. relative frequency is the ratio of the number of times a particular distinct value occurs to the frequency. d. frequency is the number of times a particular distinct value occurs. relative frequency is the ratio of the frequency of two different values.

Which type of basaltic lava flow has a fairly smooth

What describes the formation of horizon b? a. forms at the surface b. features parent material c. undergoes the most change d. forms due to decomposed material i think the answer is c. undergoes the most change