The removal of large areas of forests for human purposes.
What is deforestation?
An area of land that drains runoff into a particular stream, lake, or ocean
What is watershed?
Include what are more oceans and other interconnected bodies of water, and they’re interactions with the rest of the hydrosphere, the atmosphere, the geosphere, and the biosphere.
What are ocean systems?
By minimizing the use of certain resources and supplies, like paper, water, and light, this principle of conservation is used
What is reduce?
The largest unit of geologic time
What is an eon?
The development of desert like conditions due to human activities and natural processes
What is desertification?
Water that has less than 0.2% salt content dissolved in it.
What is freshwater?
About 70% of the Earth’s oxygen comes from this source.
What is the ocean?
The cause of global warming
What is excess Carbon Dioxide levels?
The numerical age, in years, of a rock or object.
What is relative-age dating?
The the development of land for houses and other buildings near a city.
What is urbanization?
Water that is stored in cracks and pores beneath the Earth’s surface.
What is groundwater?
Areas of an ocean or large lake, where there is not enough oxygen to support marine life
What are dead zones?
The contamination of the environment with substances that are harmful to life.
What is pollution?
A location where two plates slide past each other
What is a transform plate boundary?
Planting trees to replace trees that have been cut or burned down
What is reforestation?
The system containing all the solid and liquid water on Earth.
What is the hydrosphere?
The process of removing dissolved oxygen from a liquid.
Deoxygenation
Animals at risk of going extinct
What are endangered animals?
Matching rocks and fossils from separate locations.
What is correlation?
The process of restoring land, disturbed by mining.
What is reclamation?
An area of permeable sediment or rocks that hold a significant amount of water.
What is an aquifer?
The loss of color in corals expel the colorful algae that live in them
What is coral bleaching?
By using an object again or changing the use of an object as a way to decrease the amount of trash, this principle of conservation is in use
What is reuse?
The era in which dinosaurs existed
What is the Mesozoic Era?