Mountain ranges often appear on the edges of continents. What theory does this support?

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

70 give a real life example showing how sensory neurons work with the motor neurons

You hang a book bag on a spring scale and place the bag on a platform scale so that the platform scale reads 23.7n and the spring scale reads 13.8n. what is the magnitude of the force that earth exerts on the bag?