the main reason the north and south poles are melting?
What are fossil fuel emission
What makes the leaves on trees turn green?
Chlorophyll
what are the three types of structures?
shell, frame and solid
when was the Eiffel Tower built
1889
what is one way to produce energy from the sun
solar panels
Why is the open ocean bad for albedo?
what is absorbs too much sunlight
What is the fifth planet from the sun?
Jupiter
what is the tallest building in the world?
Burj Khalifa
why was the Eiffel Tower built
For the Exposition Universelle, which was to celebrate the 100th anniversary of the French Revolution.
What is one way that wind can be used as energy
wind turbine
What does high albedo mean?
it reflects more sunlight than a surface with low albedo
What is the smallest planet?
mercury
what is the advantage to using a frame for a building?
it is cheaper
when was the Burj Khalifa built
january 6, 2004
what is one way water can be used for power
what is albedo?
the fraction of light a surface reflects
How do plants produce their food?
Photosynthesis
When was the CN tower built?
February 6, 1973
how long is the Great Wall Of China?
21,196 kilometers in total
how much energy do wind turbines produce per year
6 million kWh
How can we increase the Earth's albedo?
Intentional efforts to increase the amount of sunlight that is scattered or reflected back into space
What is the body's biggest organ?
What is skin
When was the CN Tower the tallest building in the world?
1975 to 2007
what is the longest structure in the world
the great wall of China
how much energy do a hydroelectric dams produce per year
393'789 gigawatt-hours