What is the purpose of a buffer?

Help Me Please!!!!!!!! Al contrario. T unca quieres lo que te quieren dar. Responde segn los modelos usando el pronombre demonstrativo correcto.Modelo: Quieres este libro?--No, no quiero se.1. Quieres estas fotos? ______________________2. Quieres esta pluma? ______________________3. Quieres este carro?_______________________4. Quieres estos sandwiches?_________________Modelo: Deseas ese traje?--No, ya tengo ste.1. Deseas esos cepillos? ____________________2. Deseas esas faldas? _____________________3. Deseas esa camisa? _____________________4. Deseas ese sombrero? ___________________Modelo: Te gustan esos libros?--S, pero me gustan ms aqullos.1. Te gusta ese restaurante? _________________2. Te gustan esas tiendas? __________________3. Te gustan esos zapatos? __________________4. Te gusta esa cancin? ___________________ 4. Using Source 2, why was the United States concerned about the potential for conflict?A. The United States no longer wanted to trade with other countries.B. The Louisiana Purchase caused invasions by other countries.C. Great Britain decided to sell their territorial claims to the United States.DThe United States and its territories were in close proximity to other territorial claims. Which of the following could you have seen if you had lived in the United States in the 1920s?soldiers marching off to the trenches in the Great Warengineers boarding ships to go build the Panama Canalflappers listening to jazz and doing the Charlestonpeople standing in long lines at telegraph offices I literally do not understand this at all. PLEASE HELP ASAP The lengths of a certain species of beetles are normally distributed with a mean of 1.9 centimeters and a standard deviation of 0.2 centimeters.What is the z-score of a beetle of this species with a length of 2.38 centimeters?Enter your answer in the box.Enter your answer, rounded to the nearest tenth, in the box. I NEED HELP PLSSS HELP SHOW WORK IF YOU KNOW 3.COMPARE AND CONTRAST: Harriet Tubman: Conductor on the Underground Rallroad and "The People Could Fly" are about similar topics but indifferent genres. The first is a historical account of slavery in American history. The second is a fictional portrayal of the same topic or theme.How did Virginia Hamilton use historical facts in "The People Could Fly"? What changes does she make and what are the effects? Remember tosupport your analysis with evidence from the texts. Find the area of this circle.Use 3.14 to approximateA = ar220 ft List three reasons behind the fall of Delhi sultanate How does biomagnification put a top predator at a disadvantage?* I'll give you brainiest if there RIGHT and you get theme ALL Question 4 (1 point) In chapter 10, the word stupor in paragraph 1 means -Question 4 options:diseasedintoxicatedtrancetorporQuestion 5 (1 point) From Johnny's reaction to Dally's news about beating the Socs, the reader can conclude that Johnny thinks -Question 5 options:fighting is greatfighting solves problemsfighting is not goodfighting will only cause people to be arrestedQuestion 6 (1 point) How does Ponyboy feel about fights?Question 6 options:He will fight anytime, but he doesn't like them.He thinks it's a good chance to show off his muscles.He thinks it's action. Like a drag race or a dance or something.He likes stomping the other guy good.Question 7 (1 point) The only rule in the rumble is to use weapons.Question 7 options: True FalseQuestion 8 (1 point) What does Johnny mean when he says to Pony Boy, "Stay gold?"Question 8 options:Stay literally made of gold metalSave your money and accrue an investmentLive your lifeStay innocentQuestion 9 (1 point) What does Johnny leave Ponyboy?Question 9 options:His copy of Gone with the windHis knifeHis favorite bicycleHis book of Robert Frost poemsQuestion 10 (1 point) Dally runs out like the devil was after him when he finds out Johnny is dead. According to Pony, why is Dally having so much trouble handling Johnnys death?Question 10 options:Johnny said a lot of nice things about Dally and, while they didn't know each other well, Dally thought Johnny was pretty cool.Johnny was Dally's cousin and they were very close.Johnny was the only one he truly connected with and the only thing Dally loved; they were best friends.Dally is very emotional and actively gets upset about most things ASAPPPP18. The steps used to solve the equation 2x + 8 = 20 for x are shown below.2x + 8 = 20Step I: 2x = 12Step II: x = 6Which property makes Step I true?A. Division property of equalityB. Reflexive property of equalityC. Subtraction property of equalityD. Symmetric property of equality How quickly did Germany advance in the beginning of the Second World War The ability of an ecosystem to support life declines sharply after a population crashamong some of the organisms. A population crash among organisms with whichcharacteristic could have caused the sharpest decline?A hibernation during the winterB mobility on land and in the airC conversion of sunlight into food energyD different fur coloring in summer and winter what to you think abt the jaden and nessa situation? Which value of x makes the inequality true help needed asap will give brainliest help with this math assignment 53. Find the value of x and y. Round your answer to two decimal places. Draw a line to match each fraction, decimal, or percent in Column A to the equivalent value in Column B.A B40/50 1 3/413% 1 11/201.75 0.13155% 80%