[DOC] [TLE] Cloud seeding - Wikipedia [PAR] Cloud seeding, a form of weather modification, is the attempt to change the 
amount or type of ... The usual intent is to increase precipitation (rain or snow), 
but hail and fog ... The most common chemicals used for cloud seeding include 
silver iodide, ... This can produce ice crystals at higher temperatures than silver 
iodide. [DOC] [TLE] Does cloud seeding work? - Scientific American [PAR] Feb 19, 2009 ... Cloud seeding and other weather-modification schemes have been ... Clouds, 
whether in summer or winter, are not perfectly efficient at producing precipitation. 
... The lattice structure at the molecular level is very, very close. [DOC] [TLE] Cloud Seeding - Weather Modification Association [PAR] Frequently Asked Questions (FAQs) Concerning Cloud Seeding Activities ... 
inorganic compounds in certain cold (lower than freezing) cloud conditions. ... 
flares (similar to emergency highway flares), a solution of chemicals, dry ice, ... 
Similarly, warm rain cloud seeding agents can be produced by hygroscopic 
flares. [DOC] [TLE] Weather on Demand: Making It Rain Is Now a Global Business [PAR] Oct 28, 2015 ... Inside the fast-growing business of cloud seeding that can fight droughts and 
save lives. ... Snow-enhancement projects are often commissioned by water 
managers ... Silver iodide has a molecular structure similar to that of ice. ... silver 
iodide particles are injected into a hail-producing storm cloud, there are... [DOC] [TLE] How does cloud seeding work?| Explore | physics.org [PAR] During droughts water is scarce but is it possible to make it rain to provide water. 
... Now too heavy to remain suspend in the air, these then fall, often melting on 
their ... by seeding the atmosphere with chemicals such as silver iodide or dry ice. [DOC] [TLE] The Hindu : How is artificial rain produced? [PAR] May 30, 2002 ... Here the cloud mass is built up using chemicals such as kitchen salt, the T.1 
formula, urea, ammonium nitrate, dry ice, and occasionally also calcium ... as well 
as the location or delimitation of the area for chemical seeding. [DOC] [TLE] Scientists Seed Clouds to Make Rain - ABC News [PAR] Texas claims to produce more rain, over a wider area, and for a longer duration ... 
A team of scientists from the center spent three years seeding clouds in the ... a 
larger area, and total precipitation was higher, sometimes even doubled. ... Some 
were concerned that adding chemicals to clouds would pollute the earth, but the
... [DOC] [TLE] Is Cloud Seeding a Health Risk? - CNN iReport [PAR] Feb 26, 2010 ... What chemicals are involved in cloud seeding? How frequently ... It goes on all 
day long lately, and sometimes into the night. ... I have watched these clouds 
produce rain, snow and falling freezing fog. .... is a chemical compound 
composed of two oxygen atoms covalently bonded to a single carbon atom. [DOC] [TLE] Common Questions and Answers about Cloud Seeding [PAR] Cloud seeding, often called weather modification, is a scientific process intended 
to enhance ... Cloud seeding improves a cloud's ability to produce precipitation 
by adding tiny particles called ice nuclei (particles with an ice crystal structure 
that water .... What effects do cloud seeding chemicals have on the environment? [DOC] [TLE] Turning hailstorms into rain showers | DiscoverMagazine.com [PAR] May 1, 1992 ... He's trying to order a yellow chemical compound called silver iodide. ... Using this 
chemical, Boe says, he will make reluctant clouds rain. ... beyond proving cause 
and effect--sometimes the seeded clouds didn't do anything. [DOC] [TLE] Is Cloud Seeding Harmful - Ranches.org [PAR] When studying the efficacy and consequences of cloud seeding experiments, the 
... to be biased in saying cloud seeding with silver iodide enhances precipitation 
... rates silver iodide as a Class C, non-soluble, inorganic, hazardous chemical ... 
Chronic Exposure/Target Organs: Chronic ingestion of iodides may produce... [DOC] [TLE] Frequently Asked Questions About Cloud Seeding - Wichita Falls ... [PAR] Cloud seeding, often called weather modification, is a scientific process intended 
to ... Silver iodide is a

Question: To produce rain, clouds are sometimes seeded with this chemical compound
Answer: silver iodide