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Environmental Science

Showing 226-269 of 269 answers

What is the world's population in 1930?
  • 1 billion
  • 4 billion
  • 8 million
  • 2 billion Correct
What is urban heat island effect?
  • Urban areas in islands have warmer weather due to human activities
  • Urban areas are ecological islands which make them warmer and rainier than rural areas
  • Urban areas are just warmer and rainier
  • Urban areas have warmer and rainier weather than rural areas due to human activities Correct
What is urbanization?
  • It is the deconcentration or urban areas
  • It is the increase in population through natural increase and migration with changes in the landscape from rural to urban Correct
  • The conversion and development of areas on the edges of cities and towns
  • The conversion of towns into cities
What kind of phenomenon refers to an increase in the current population of an area brought about by availability of jobs, better health care and social services, and higher standards of living?
  • Population numbers will fluctuate before stabilizing
  • Populations will decline
  • Populations will overshoot and collapse Correct
  • Populations will continue to grow
What major topic of environmental science discusses the underlying reason of environmental problems?
  • human population growth Correct
  • sustainability
  • people and nature
  • urban environments
What major topic of environmental science refers to increasing number of people living in cities?
  • human population growth
  • people and nature
  • sustainability
  • urban environments Correct
What refers to a more complex linkages of energy, elements and compounds?
  • Open system
  • Closed system
  • System Correct
  • Static system
What refers to soil, rock or sediment frozen due to temperature for more than two consecutive years?
  • Thermocline
  • Permafrost Correct
  • Saltwater
  • Rivers, Ice sheets, permafrost
What refers to the amount of force exerted by atmospheric gases per unit area?
  • Atmospheric force
  • Gaseous force
  • Atmospheric pressure Correct
  • Gaseous pressure
What refers to the chain where energy, chemical elements and compounds are transferred from one creature to another?
  • The process of environmental science includes understanding nature, determining the interactions of organisms with one another and their environment, and
  • It involves the identification of environmental problems and the corresponding solutions
  • An interdisciplinary field of study that integrates the physical and social sciences
  • None of the above Correct
What refers to the dynamic complex of plants, animals and microorganism communities and non-living elements interacting as a functional unit?
  • Population
  • Community
  • Ecosystem Correct
  • Biology
What refers to the height of a place with respect to the sea level?
  • Latitude
  • Altitude Correct
  • Sea level height
  • Height
What refers to the social, political, and ethical movement of protecting the environment and protecting it wisely?
  • environmentalism Correct
  • ecosystem
  • environmental science
  • ecology
What type of system response can best describe human population growth?
  • Oscillating growth
  • Linear growth
  • Exponential growth Correct
  • Stable growth
What year did the human population crossed the 7 billion mark?
  • 2011 Correct
  • 1997
  • 2000
  • 2015
When ozone is located in this layer, it is beneficial to humans since it blocks harmful ultraviolet radiation from reaching the earth's surface.
  • thermosphere
  • mesosphere
  • stratosphere Correct
  • troposphere
When populations exceed the environment's carrying capacity, what will most likely happen?
  • Algae
  • All of the above Correct
  • Green plants
  • Certain bacteria
Which among the statements is true about climate change?
  • It is essential to human life and has made the earth habitable
  • It is bad to the environment because it heats up the earth
  • Human activities have nothing to do with it
  • It is the changes in weather, oceans, land surfaces and ice sheets occurring over decades or longer Correct
Which among the statements is true about global warming?
  • Human activities have nothing to do with it
  • It is bad to the environment because it heats up the earth
  • It is the changes in weather, oceans, land surfaces and ice sheets occurring over decades or longer
  • It is essential to human life and has made the earth habitable Correct
Which are disadvantages of living in cities?I. Cities are economic centers.II. Cities provide better education options.III. Cities experience urban heat island effect.IV. Cities are prone to water and pollution problems. 
  • All of the above
  • I and II
  • III and IV Correct
  • II and III
Which concepts explain how species exist in relation to each other?
  • Ecological niches and symbiosis
  • Ecological niches and competition
  • Competitive exclusion principle and symbiosis
  • Competitive exclusion principle and ecological niches Correct
Which country has the world's greatest supply of oil?
  • Saudi Arabia Correct
  • Iraq
  • Venezuela
  • USA
Which does not describe climate change?
  • ncreasing sea level
  • increasing ocean temperatures
  • changing temperature and precipitation patterns
  • decreasing acidity of oceans Correct
Which does not pertain to environmental science?
  • Pathways
  • Energy chains
  • Food chains
  • Food webs Correct
Which does not refer to the precautionary principle?
  • It may be applied while still gathering scientific evidence
  • Even without full scientific proof, necessary precautionary principles should be employed
  • Life has greatly influenced the global environment Correct
  • It is applied to prevent adverse effects to the health of the environment and the organisms living in it
Which increases diversity?
  • Moderate fires in forests and grasslands Correct
  • Isolation
  • Limitation in supply of essential resource
  • Environmental stress
Which is a factor that affects birth rates?
  • True Correct
  • False
Which is a measure of biodiversity?
  • Functional diversity
  • Habitat diversity
  • All of the above Correct
  • Species diversity
Which is a precursor of acid rain?
  • Carbon dioxide
  • Carbon monoxide
  • Sulfur dioxide Correct
  • Methane
Which is a renewable source of energy?
  • All of the above Correct
  • Biomass
  • Sunlight and wind
  • Hydropower and geothermal
Which is not a common aquaculture species in the Philippines?
  • bangus
  • tilapia
  • galunggong Correct
  • tahong
Which is not an example of a fossil fuel?
  • Crude oil
  • Coal
  • Natural gas
  • Uranium Correct
Which is not the reason for biological evolution?
  • Natural selection
  • Mutation
  • Genes Correct
  • Migration and geographic isolation
Which is not the reason for valuing biodiversity?
  • Spiritual
  • Publicity Correct
  • Ecological
  • Aesthetic
Which is not used in calculating population change?
  • births and deaths
  • emigration
  • fertility rates Correct
  • immigration
Which is true about age structure?
  • Developed countries usually have a rapid growing population
  • Age structure is composed of births, deaths, and migration
  • All of the above
  • Economics is closely linked to population and age structure Correct
Which major topic of environmental science refer to providing the same resources for future generations?
  • Science and values
  • Human population growth
  • Sustainability Correct
  • Urbanization
Which of the following is not an important system response?
  • Straight linear
  • Negative exponential
  • None of the above Correct
  • Saturation curve
Which of the following statement is false?
  • The pendulum is an example of a system in constant condition in the absence of friction
  • Species, population, and ecosystems are classified mainly as static systems Correct
  • When friction influences the pendulum, the system comes to a rest which is called equilibrium
  • Species, population, and ecosystems are classified mainly as dynamic systems
Which of the following statement is true about the effect of geology and geography?
  • Biodiversity across Earth is not evenly distributed Correct
  • Humans' general effect to biodiversity is increased diversity
  • Natural environmental disturbances have no effect on biodiversity
  • Elevation does not influence biodiversity
Which single technology can provide man with the cleanest and most efficient source of energy?
  • Solar power
  • Electric cars
  • Nuclear power
  • None of the above Correct
Which uses more energy? Coffee maker or six hours of laptop?
  • Coffee maker Correct
  • About the same
  • None of the above
  • Laptop
Wind energy can be built on any land or hill.
  • True
  • False Correct
With only a few exceptions, all systems in the environment are ___________________.
  • materially closed system
  • open system Correct
  • system
  • closed system
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