Answer:
All waves have amplitude, wavelength, and frequency.
Explanation:
A sound wave's frequency is experienced as the wave's pitch. The amplitude determines loudness or volume. The tone of a sound wave can be recognized by the regularity of its vibration.
Answer:
Article 1
Explanation:
The supremacy of the people through their elected representatives is recognized in Article I, which creates a Congress consisting of a Senate and a House of Representatives. The positioning of Congress at the beginning of the Constitution affirms its status as the “First Branch” of the federal government.
The correct answer should be African-Americans
They were segregated and had hard times finding jobs and when they did manage to get them, it was mostly low-skilled low-paying physical jobs like carrying bags of cement or loading ships in the docks. When the great depression came, they lost even this because white workers were prepared to do even those jobs so they lost even the little wage that they had.
The federal govt has the power to maintain a military
<span>It was a Portuguese explorer named Vasco de Gama</span>