a) - Write a brief deseription of gas liquid absorption, four lines max -Using this figure, answer the flowing questions: b) -How many stages in this figure? c)-If all variables are constants, response by (increase), (decrease), or (constant) 1. What we will do to the temperature to increase y1 to 20ppm ? 2. What we will do the pressure to increase y1 to 20ppm ? 3. What we will do the solvent flow rate to decrease x3 to 0.50ppm ? 4. What we will do the length of the column to decrease x3 to 0.50ppm