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What major factors play a role in global warming? 1. human activity and normal climate conditions 2. natural factors and human activity 3. normal climate conditions and abnormal human activities 4. abnormal human activities and natural factors
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Look at the diagram showing the different wavelengths in sunlight. which statement describes electromagnetic waves with wavelengths greater than 700 nanometers? they take the form of heat. they can cause skin cancer and sunburn. they are some of the shortest waves. they can be seen by human eyes as visible light.
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Geography, 24.06.2019 07:30
Horizon a is also sometimes called a. topsoil b. subsoil c. bedrock d. weathered bedrock
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Geography, 24.06.2019 09:10
Monk's mound in cahokia is an enormous earthwork very near to the mississippi river. what do archaeologists believe it was used for?
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Islands that are formed over thousands of years from the accumulation of coral are called what?...
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