how did four american presidents expand america's influence throughout the world between 1897 and 1917?

In an ecosystem, marsh snails feed on phytoplankton and painted turtles feed on marsh snails. pollution has resulted in the depletion of phytoplankton. what effect would this situation likely have on the population of marsh snails and painted turtles? as phytoplankton were destroyed, the population of marsh snails would most likely then the population of painted turtles would mostly likely a. 1. increase 2. decrease 3. stay the same b. 1. increase 2. decrease 3. stay the same

Essay on sustainable development of soiciety

If the null hypothesis is false and the researchers do not reject it a type 2 error has been made. true or false