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- 1most of earth's atmostphere is located in the first ____ milesfour
- 2The layers of earths atmosphere are the the troposphere, stratosphere, mesosphere and thethermosphere
- 3The troposphere is about ____ miles high and is hearted by the earth7
- 4the troposphere is heated by earth's surface and thus is ________at the bottom and __________ at higher altitudeswarmer, cooler
- 5The stratosphere and mesosphere are heated by ______ and located in __________.ozone, stratosphere
- 6The thermosphere is heated bythe sun's rays
- 7The thermosphere is also called the ________.ionosphere
- 8The main factor varying from layer to layer in the atmosphere is the _______________.temperature
- 9The two most abundant gases in the eath's atmosphere are _______ and _________.nitrogen, oxygen
- 10The gas that is necessary for respiration in animals is ________.oxygen
- 11______________ uses sunlight, carbon dioxide, and water to make foodphotosynthesis
- 12most of our oxygen is a byproduct of __________.photosynthesis
- 13Water vapor is a gas made of ________ moleculeswater
- 14______ droplets are clusters of water molecules large enough to be seen as fog, clouds, or rain.water
- 15Most of the world's carbon dioxide is stored in the __________.oceans
- 16_________ fix nitrogen into nitrates which only plants can use to make proteinbacteria
- 17more than two-thirds of our precipitation returns to the atmosphere by __________ and __________.evaporation,
transpiration - 18the average rainfall for the United States is ____ inches.30
- 19the ___________ keeps our temperature much cooler in the daytime and much warmer at nightatmosphere
- 20__________ ___________ is the comparison of the amount of water vapor in the air to therelative humidity
- 21the oceans and our atmosphere balance the levels of __________in the atmospherecarbon dioxide
- 22What is a poisonous gas largely produced by the automobile?carbon monoxide
- 23who is responsible for the stewardship of the earth?people
- 24particles of unburned gasoline are called ___________.hydrocarbons
- 25air pollutants have most affect on what?lungs and eyes
- 26What are troublesome gases or particales?air pollutants
- 27Sulfur oxide is an air pollutant which combines with water to form an _______.acid
- 28What is the most important factor in weather?temperature
- 29on a weather map, lines of equal temperature are called ___________.isotherms
- 30) Air _______ when heated because air is gas and gas _____when it is heatedrises, expands
- 31when cold air is sinking, it produes a ______ pressure areahigh
- 32High pressure areas generally experience _____ weather: wheres as a low pressure area tends to experience ______ weatherfair, rainy
- 33air moves _______ around a high pressure area and __________ around a low pressure areaclockwise, counterclockwise
- 34Variation in heating causes _______.wind
- 35The oceans heat and cool more _______ than land.slowly
- 36a seas breeze moves from land to sea at _______.night
- 37air masses reflect their _______source
- 38Polar air mass would be _____ maritime would be ______ and continental would be _______cold, moist, dry
- 39most of the United States is in the zone called __________.westerlies
- 40a ______ can cover hundreds of miles and may have a well defined eyehurricane
- 41______ can have three to four hundred miles per hour windstornados
- 42________ produce updrafts which contribute to the formation of hail.thunderstorms
- 43what does a tornado over water form?a water spout
- 44to get an instantaneous weather picture, all eather stations make their observations at __________ times of the day.the same
- 45What sends back data on temperature, pressure, and humidity?weather balloon
- 46on weather maps, sharp bends in isobars are produced where fronts cross the ______.isobars
- 47when we have major changes in the weather, there are large changes in the _______ readings.pressure
- 48in the summer, a _____ pressure system will usually be follwed by _____ weather.low, warmer
- 49What measures cloud cover, rain, warma nd cold air masses, and the temperature of cloud tops?weather satellites
- 50weather ____are a shorthand way of representing weather ocnditions in picture form.maps
- 51higher altitudes tend to have ______ temperaturescooler
- 52) ______ is short term and _______ is an average value over a long period of time ( more than 30 years)weather, climate
- 53the earth's rotation causes wind to turn to the right in the _________ hemispherenorthern
- 54what forms snow when the air temperature goes below freezing or 32 degreesF?water vapor
- 55what are the basic elements of weather and climate?temperature, wind,
pressure, and humidity - 56wheat requires relatively little ________.water
- 57he mediterranean coast is similar with what other coast?pacific
- 58where do night last anywhere from minutes to six months?artic circle
- 59___________ consist mostly of plains or grasslands with a few scattered trees.tropical savannas
- 60______ tend to have smaller trees, vines and dense bushesjungles
- 61most of the northern half of _______ is made up of the Sahara Desertafrica
- 62who are people who move from place to place?nomads
- 63the gulf stream warms the climate of ________.europe
- 64In a steppe community the main occupation is __________.farming
- 65the process by which bacteria change nitrogen intonitrogen compounds is _________.fixation
- 66nimbo- in nimbostratus and cummulonimbus means what?rain clouds
- 67the equator has a latitude of ___ degrees.0
- 68what brings cool water south from the arctic sea to cool our northeastern coast ( the new england states)?labrador current
- 69_________ are lines of equal temperatureon a weather map.isotherms
- 70___ at the equator is heated and tends to riseair
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- Fichas sobre Untitled, creado por liztrudeau2002 el 20/10/2013.
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