Identify the statement below that is true about chemical reactions

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

Which key skills does the sat writing and language section asses?

Ased on the information in "edward jenner and the history of smallpox and vaccination,” after concluding that cowpox could be used to eliminate smallpox, jenner