The of a sound wave is defined as the amount of energy passing through a unit area of the
wave front in a unit of time.
a. amplitude
b. frequency
c. compression
d. intensity

Prior to 1994, rwanda's ethnic population was composed of a. a tutsi minority and a hutu majority b. a hutu minority and a tutsi majority c. an even number of hutus and tutsis d. a rwandan majority with hutu and tutsi minorities select the best answer from the choices provided. a b c d

Researchers have found that it takes to view a mental image that is larger or covers more distance than a smaller or more compact one.

Why is it necessary to obey social norms? write briefly.