Which plants are usually the first to live in soil?

Phase changes are chemical changes. true or 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.

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?