"Dirt" has lost characteristics that give the ability to support life.
O
True
O
False

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

If a simple machine reduces the strength of a force, what must be increased?