Which of the following will she be able to measure using the crest or trough of a single wave? a. the energy; it is only found in the crest or trough of a wave. b. the frequency; it is the distance between crests and troughs. c. the wavelength; it is measured by how fast the crest passes. d. the amplitude; it is measured by the center line of a wave to the crest or trough.

Brainliest to who answers! what will always cause a supply curve to shift to the left?

Which groups of people most directly benefited from song innovations in the song dynasty‘s open border policy?

The development of simple stone tools by early hominids led to the ability to procure meat more efficiently. this in turn led to the change in diet that included larger amounts of protein. many scholars believe that this shift in diet was a significant part of how our ancient ancestors adapted so quickly to a varied set of environments, and thus were able to begin cultural development. this demonstrates the intimate connection between