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Science

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Question
Answer
What is a biodegradable material that becomes a pollutant if it is allowed to accumulate?   Newspaper  
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Why is the world's loss of biodiversity a source of concern?   Humans depend upon other species for food and oxygen.  
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Using scientific information from chemistry and biology to devise a plan to clean up a lake and make it healthy again describes.   Earth Science  
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The "Tragedy of the Commons" describes the conflict between.   Individuals and society  
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A sustainable world would be characterized by the   Indefinite existence of human populations in a healthy and prosperous  
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According to the law of supply and demand, what would occur if the supply of oil declined and the demand remained the same?   Oil prices would increase  
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An ecological footprint is the   amount of land and ocean area needed to support one person  
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Most of today's environmental problems began during which period in human history   Industrial Revolution  
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Compared to developing nations, developed nations have   greater personal wealth  
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The introduction of harmful levels of chemicals or wastes into the evironment is called   pollution  
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The classification and collection of data that are in the form of numbers is called   statistics  
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The group that does not receive the experimental treatment in an experiment is the   control group  
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In an experiment, the factor of interest is called the   variable  
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The average mass of a wolf in a pack of wolves is an example of   mean  
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A model of a dinosaur is an example of a ___ model   physical  
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The chance that an earthquake will occur in your town in the next year is an example of   risk  
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Which step in the experimental method are scientists conducting when they photograph a bird in flight   observing  
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Curiosity and imagination are important in science because they are   abilities in scientists that help expand our knowledge  
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The chance that an event will happen is known as   probability  
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In statistics, the group of individuals used to represent the population is called the   sample  
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How did the Himalaya Mountains form   colliding tectonic plates  
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What are wind and water erosion not likely to affect   tides  
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The ozone layer is located in the   stratosphere  
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Deep currents flow along the   ocean floor  
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A volcano is a mountain formed from   magma  
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The transfer of energy through space is   radiation  
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The total quantity of dissolved salts in the ocean is   salinity  
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A fault is a break in the Earth's   crust  
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The part of the Earth that contains the air we breath is called the   atmosphere  
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The most abundant gas in Earth's atmosphere is   nitrogen  
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Biomes with higher temperatures and less precipitation tend to have   shorter and denser vegetation  
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The main factor that determines what type of plants grow in a biome is   temperature and altitude  
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Tropical rain forests are threatened by   deforestation and the trade of rain forest plants and animals  
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If you visited a savanna, you would likely see   large herds of grazing animals, such as rhinos, gazelles, and giraffes  
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The deforestation of the rain forests may cause climate changes which, in turn, may affect   flooding  
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The distance north or south of the equator, is measured in degrees, is called   longitude  
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What is estivating   burying in the ground  
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Animals such as pronghorn, bison, and badgers live on the North American   grasslands  
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In the tundra, the frozen layer of soil just beneath the surface is called the   permafrost  
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How are tundra biomes and desert biomes similar?   They are both extreme climates  
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What is the Taiga   a forwst biome dominated by coniferous trees, such as pine, fir, and spruce  
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What are the two main types of freshwater wetlands   marshes and swamps  
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What adaption prevents phytoplankton from sinking in deep waters   flagella  
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Estuaries are very productive ecosystems because they recieve fresh nutrients from   rivers and oceans  
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Swamps are commonly found on   flat, poorly drained land  
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What causes most coastal pollution in the United States   industrial waste and sewage  
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The types of organisms found in a pond or lake depend on   sunlight, temperature of the water, nutrients  
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As they flow down a mountain to flatter ground, rivers gernerally become   wider, warmer, and slower  
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The majority of marine organisms are found in   shallow, coastal waters  
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which ecosystem has the highest level of salinity   salt marsh  
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Which organism produces most of the food in an aquatic ecosystem   phytoplankton  
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The amount of dissolved salts in water is known as   salinity  
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