This figure shows circle z with chords ab and rs . mar=55° mrb=66° ab=8 m rs=8 m what is mrs?

Can you me find area of the shaded region?

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

What did pavlov initially notice about the animals in his original research after conditioning took place?