HELP!!!PM stands for particulate matter: the term for a mixture of solid particles and liquid droplets found in the air. Some particles, such as dust, dirt, soot, or smoke, are large or dark enough to be seen with the naked eye. Other particles are so small they can only be detected using an electron microscope. Particulate matter contains microscopic solids or liquid droplets that are so small that they can be inhaled and cause serious health problems. ALL BUT one is a condition of the lungs as a result of PM
A) heart arrhythmia
B) aggravated asthma
C) chronic bronchitis
D) reduced lung function

An ionic compound MX3 is prepared according to the following unbalanced chemical equation. M + X2 gives MX3, A 0.105-g sample of X2 contains 8.92 X 10^20 molecules. The compound MX3 consists of 54.47% X by mass. What are the identities of M and X, and what is the correct name for MX3? Starting with 1.00 g each of M and X2, what mass of MX3 can be prepared? Explain the meaning of the statement: "the scene had changed before my eyes into something significant, elemental, and profound" (47). Pedalfer soils would most likely be found _____. A. in the eastern half of the United States B. in the dry areas of the western United States C. in a tropical rain forest D. on an island close to the equator A researcher is studying phases of the cell cycle in a population of cells during which there is an increase in the DNA content. This stage is most likely: What does 18A +16B mean Assume that you contribute $150 per month to a retirement plan for 15 years. Then you are able to increase the contribution to $350 per month for the next 25 years. Given an 8 percent interest rate, what is the value of your retirement plan after the 40 years? Compare and contrast Borealisold nancial plan-ning and control system with its new system. Complete the following statements. In general, % of the values in a data set lie at or below the median. % of the values in a data set lie at or below the third quartile (Q3). If a sample consists of 500 test scores, of them would be at or below the median. If a sample consists of 500 test scores, of them would be at or above the first quartile (Q1). As the sample size increases, the variation of the sample mean from the population mean becomes larger and largerTrue/False Many researchers think that the first eukaryotic cells obtained energy for life-sustaining functions from organic compounds. Given this information, which of the following organelles most likely appeared last in eukaryotic cells? a.plasma membrane b.chloroplast c.ribosome d.nucleus Do Schools Kill Creativity? explain why in your own words Along with liberal and conservative, you have probably heard the terms "left" applied to liberals and "right" applied to conservatives. where did these terms come from? 1. Which of the following is NOT an assessment of your fitness to drive?A. Am I awake and alert?B. Am I emotionally sound?C. Am I carrying money?D. Am I physically able?O Wheel diameter = 150 mm, and infeed = 0.06 mm in a surface grinding operation. Wheel speed = 1600 m/min, work speed = 0.30 m/s, and crossfeed = 5 mm. The number of active grits per area of wheel surface = 50 grits/cm2. Determine (a) average length per chip, (b) metal removal rate, and (c) number of chips formed per unit time for the portion of the operation when the wheel is engaged in the work. Which term best describes creative nonfiction writing that's about a topic important to the writer?A. Travel WritingB. NonfictionC. Personal EssayD. Nature Writing w7. Number Sense Rachel's family wenton a car trip. They traveled 68 milesthe first day. They traveled 10 fewer milesthe second day. They traveled 85 miles thethird day. How many miles did they travel? find the slope of -1 / 3 + 3 / -2 22. Model each situation below with an equation. Select the correct equation for each situation. Then solve each problem. A. A company employs 72 workers. It plans to increase the number of employees by 6 per month until it has twice its current workforce. How many months will it take to double the number of employees? in the problem 19.28 - 1.546, first round each number to the nearest tenth. Then subtract. Other things being equal, a nation with democratic political institutions is clearly more attractive as a place in which to do business than a nation that lacks democratic institutions.(A) True(B) False Steam Workshop Downloader