What are some other examples of a force acting on an object without
touching it?

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

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.

Which one of the following research methods can show cause and effect