What is an example of a secondary group? A. the attendees of a video-gaming conference

B. the employees of Coca-Cola Corporation

C. the members of a family

D. the teachers from the science department

How many dots must be added to the symbol to properly represent a standard nitrogen ion? a) 1 b) 3 c) 5 d) 8

Do you agree with scientist’s prediction about the warming of alaska and other polar regions?

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.