The word sound refers to wavelengths of sounds humans can hear. true or false?

Market, planned, and mixed are three basic types of imperialism fascism economic systems political organizations © ask for next question

All of the following changes typically happened in colonies as a result of imperialism, except: a. cultural practices were outlawed. b. they became more economically self-sufficient. c. european nations built modern infrastructure, including railways. d. the european language became the language of government and education.

Who was the first present of the united states