Answer:
Water is essential for all living things. Water's unique density, high specific heat, cohesion, adhesion, and solvent abilities allow it to support life.
~Hello there!
Your question: Which term is defined as the change in the direction of light when it goes from one medium into a different medium?
Your answer: Refraction is the term defined as the change in the direction of the light when it goes from one medium into a different medium.
Hope this helps! :3
Answer: 4.speed
Explanation:
In this case, we know that the cart remains at a constant 20km/h.
Now, one could say that "the velocity remains constant, because it always is 20km/h"
But remember that velocity is a vector, so this has a direction, and if the cart is going around a turn, then the direction of motion is changing, which tell us that there is acceleration.
But the module of the velocity, the speed, remains constant at 20km/h.
Then the correct option is 4, speed.
The answer for this question is, it was attempting to make the motor cycle safe