What do all electromagnetic waves have in common?
they have the same amplitude.
they have the same frequency.
they have the same wavelength.
they have the same speed.

In the 1800s, most european powers followed policies of in which they imposed political and economic control of peoples around the world. a. imperialism b. expansionism c. mercantilism d. isolationism

Reasoning based on the ease with which we can bring something to mind involves the use of the heuristic

Risk of harm in social and behavioral sciences generally fall in three categories, which are: breach of confidentiality, loss of autonomy, and study proceduresstudy procedures, breach of confidentiality, and loss of employmentinvasion of privacy, adverse reaction to study drug, and discriminationinvasion of privacy, breach of confidentiality, and study procedures