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photoshop1234 [79]
3 years ago
5

The three primary sources of air pollution are _____.

Chemistry
2 answers:
Kisachek [45]3 years ago
7 0

There are four main types of air pollution sources:

<span>mobile sources – such as cars, buses, planes, trucks, and trainsstationary sources – such as power plants, oil refineries, industrial facilities, and factoriesarea sources – such as agricultural areas, cities, and wood burning fireplaces<span>natural sources – such as wind-blown dust, wildfires, and volcanoes........hope i helped</span></span>
ra1l [238]3 years ago
6 0
Cars,air planes,factories
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Paladinen [302]

Answer:

a boy pulling a toy train, the boy is

interacting with an object while applying a force to it,

another example of contact forces is friction.

Explanation:

A contact force is when two interacting  

objects

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3 years ago
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Which of the following chemical agents is used for sterilization? Which of the following chemical agents is used for sterilizati
lozanna [386]

Answer:

The correct answer is super critical fluids.

Explanation:

Supercritical fluids are the fluids which are compressed below their critical temperature, kept in liquid state and used above their boiling point.The most common example of this are : liquid carbon dioxide gas and water.

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3 years ago
At a temperature of 393 K, the pressure of a sample of nitrogen is 1.07 atm. What will the pressure be at a temperature of 478 K
Rainbow [258]

Answer:

1.30atm

Explanation:

P1/T1 = P2/T2

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Why are 99.9% of metals (pure) way more expensive than 95% metals?
a_sh-v [17]

Answer:

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8.03 Solutions Lab Report<br> Does anyone have a PDF or Document of FLVS 8.03 Solutions Lab
GarryVolchara [31]

8.03 solutions report is described below.

Explanation:

8.03 Solutions Lab Report

In this laboratory activity, you will investigate how temperature, agitation, particle size, and dilution affect the taste of a drink. Fill in each section of this lab report and submit it and your pre-lab answers to your instructor for grading.  

Pre-lab Questions:

In this lab, you will make fruit drinks with powdered drink mix. Complete the pre-lab questions to get the values you need for your drink solutions.  

Calculate the molar mass of powered fruit drink mix, made from sucrose (C12H22O11).

Using stoichiometry, determine the mass of powdered drink mix needed to make a 1.0 M solution of 100 mL.

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