find a tangent vector of unit length at the point with the given value of the parameter t. r(t) = 2 sin(t)i + 5 cos(t)j t = /6

An ancient marble statue is moved from a rural location to a highly polluted city explain how the move might affect the statue and why you think so

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

The tendency to seek out individuals who represent the same level of physical attractiveness as ourselves is explained as