Tidal Energy:
Tidal energy is
defined as sustainable energy that takes advantage of the movement that occurs
in the water due to the wind and the gravitational forces exerted by the Sun
and the Moon that cause the tides. The operation of the tide or energy of the
tides is very basic, since the energy is obtained by coupling a turbine that
generates electricity from this natural movement. To take advantage of this
renewable energy what is done is that reservoirs are built near the coasts to
allow the storage of water when the tide rises, by the time the tide goes down,
releasing it to the sea by passing it through a turbine that produces
electricity with this movement of the Water.
fossil fuels:
Oil
and gas are mainly derived from which of the following sources?
phytoplanktonic material found
in marine basins
Why do fossil fuels generate more
power than wood for use in machines, for example?
Fossil fuels have a higher
concentration of carbon and hydrogen
What is the one continent on Earth
where coal is not found?
Antarctica
Most of the world's oil is found in sedimentary
rock that is of what age?
younger than 200 million years
Coal, a common fossil fuel, is formed
from which of the following types of organic matter?
tree trunks, leaves, and freshwater
plants
Natural gas is composed mainly of
which type of gas?
Methane
The greatest concentration of oil is
found in which of the regions of the world given below?
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