Which of the following describes the current sixth mass extinct? A single catastrophic natural event that decreased genetic diversity
Human activities rapidly destroying and degrading the resources that many species need to survive
Speciation occurring at rapid rates, resulting in habitat loss for many species
Ecosystems collapsing due to intermittent natural disasters occurring every few years

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel

Which plate boundary causes plates to collide forming mountain ranges, volcanoes, and island arcs? give an example of this type of plate boundary. 2. at which plate boundary do rifts and mid-oceans ridges form? give an example of this type of plate boundary. 3. at which plate boundary do plates slide past each other while moving in opposite directions? give an example of this type of boundary.

As a result of climate change earths temperature is rising and sea ice is melting what is a likely effect? answer : populations of walruses and polar bears will decline