ISAT Practice #32: Glencoe Science: Life Science: Question Preview (ID: 28672)

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Composting is the recycling of ___.
a) paper scraps
b) plant materials
c) leftover fertilizers
d) plastics

Which of the following is necessary for the production of geothermal power?
a) exposure to sunlight
b) access to a river
c) access to a natural geyser
d) wind

Photovoltaic cells work only ___.
a) when exposed to wind
b) in sunlight
c) in fast currents of water
d) in turbine generators

Which of these is NOT an alternative to fossil fuels?
a) geothermal energy
b) hydroelectric power
c) nuclear energy
d) diesel fuel

Which of these is a nonrenewable resource?
a) water
b) sunlight
c) metals
d) trees

Which of these is a renewable resource?
a) coal
b) cotton
c) copper
d) petroleum

Which of the following is an example of a saltwater ecosystem?
a) pond
b) river
c) stream
d) estuary

Which diagram represents the amount of energy available at each feeding level in an ecosystem?
a) food chain
b) energy pyramid
c) food web
d) food pyramid

Which of the following is an example of a freshwater ecosystem?
a) wetland
b) estuary
c) coral reef
d) deep ocean

Which process releases carbon dioxide into the atmosphere?
a) decomposing plants and animals
b) nitrogen fixation
c) photosynthesis
d) burning fossil fuels

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