Noise can be a barrier to communication.

a. True

b. False

A wildlife biologist examines for a genetic trait he suspects may be linked to sensitivity to industrial toxins in the environment. previous research had established that this trait is found in one of every 8 dogs.

Why is the HR diagram important to scientists? The HR diagram shows the composition of stars. The HR diagram shows the shape of stars. The HR diagram groups the stars by their sizes. The HR diagram groups stars by their position in the sky.

Why is the asthenosphere always in motion

A jetliner can fly 7.5 hours on a full load of fuel. Without any wind it flies at a speed of 2.14 x 102 m/s. The plane is to make a round-trip by heading due west for a certain distance, turning around, and then heading due east for the return trip.

Is a fast clock more often right, or is a slow clock?

Use the graph to determine the instantaneous speed at 2 seconds. m/s What is the average speed over the entire trip? m/s

Most volcanoes are located at A. transform boundaries. B. midocean ridges. C. convergent and divergent boundaries. D. hot spots.

What factors affect the speed of a wave?

What direction does air resistance act on an object that is falling straight down

How are the relationships of elements in a group different from the relationships of elements in a period?