An aquatic food web is shown above. based on this food web, a dolphin is a a. producer b. consumer c. scavenger d. decomposer

Current enters a circuit at a: 1.positive terminal 2.negative terminal 3.low potential side 4.resistor

Aplane takes off from an airport and flies to town a, located d1 = 215 km from the airport in the direction 20.0° north of east. the plane then flies to town b, located d2 = 230 km at 30.0° west of north from town a. use graphical methods to determine the distance and direction from town b to the airport. (enter the distance in km and the direction in degrees south of west.)

Given the position vector of the particle r(t)=(t+1)i+(t^2−1)j+2t k, find the particle's velocity and acceleration vectors at t=1