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Composite Volcano
Diagram of composite volcano
http: //uwsp.edu/geo/faculty/ritter/glossary/a_... -
Earthday Day
We've reached a critical moment in the history of the Earth and it's Time for Change..
http: //worldwildlife.org/sites/earthday/index.... -
Biodiversity
Our world is like a web made up of many strands, all connected together. Break one connection, and the whole web may change
http: //amnh.org/ology/?channel=biodiversity&c -
Tigers
The tiger, largest of all cats, is one of the most charismatic and evocative species on Earth; it is also one of the most threatened. Less than 4,000 remain in the wild, most in isolated pockets spread across..
http: //worldwildlife.org/species/finder/tigers... -
Whales and Dolphins
Whales, dolphins and porpoises are succumbing to new and ever-increasing dangers. Collisions with ships and entanglement in fishing gear threaten the North Atlantic right whale with extinction, while the Critically Endangered Western North Pacific gray whale
http: //worldwildlife.org/species/finder/cetace... -
Marine Turtles
Six of the seven species of marine turtles are listed as Endangered or Critically Endangered, and the outlook is increasingly grim
http: //worldwildlife.org/species/finder/marine... -
Erosion
Erosion is the displacement of solids by the agents of wind, water, ice, movement in response to gravity,
http: //academickids.com/encyclopedia/index.php/Ero...