What are some of the challenges that you might face if you wanted to observe and study stars from earth?

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.)

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

Herbivores, carnivores, and omnivores are all types a. decomposers b. producers c. consumers d. biomes