Most earthquakes happen: 1) in a ring around the Atlantic Ocean
2) near regions with no subduction
3) near active margins
4) in the middle of the continents

Which process can increase the rate of greenhouse gas emissions into the atmosphere in response to a decrease in albedo

The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important

The hematodinium parasite becomes less of a problem for the blue crab when the crab is very young. fishing is thriving in the region. the crab moves to less salty water. a significant percentage of the population is impacted.