<span>Hydroelectric power is produced as water passes through a dam, and into a river below. The more water that passes through a dam, the more energy is produced. Once a dam is built, an artificial man-made lake is created behind the dam. Electricity is produced by a device called a turbine.

HOPE IT HELPED </span>°ω°

7 0

3 years ago

Listed following is a set of statements describing individual stars or characteristics of stars. Match these to the appropriate

mixas84 [53]

Answer:

1. The majority of stars in our galaxy -- B
2. very cool but very luminous -- A
3. not much larger in radius than Earth ---- C.
4. very hot but very dim ---- C
5. the Sun, for example --- B
6. found in the upper right of the H-R diagram -- A
7. a very hot and very luminous star --- B

Explanation:

The red giant is a luminous star with a mass in the late period of its stellar evolution and as the outer atmosphere inflated and is tenuous and maks the radius much larger and the temperature up to the 5000k.

While the main sequence is the continuous and a distinctive and is a continuous band of the stars appears in the stellar colors and the brightness. The majority of the stars in the galaxy are formed by these stars and the sun is an example.

While the white dwarf is degenerated and is composed of the hot and the dim stars these have a high density and mass.

5 0

3 years ago

Why were Labor Unions initially started?

Lostsunrise [7]

Answer:

Explanation:

Labor unions were created in order to help the workers with work-related difficulties such as low pay, unsafe or unsanitary working conditions, long hours, and other situations. ... Sometimes the unions organized strikes in order to try to change the conditions of the workers.

7 0

3 years ago

Why was water important to the settlement of the Fertile Crescent? Choose four answers.

seraphim [82]

Answer:

Water was necessary for growing crops.

The rivers provided transportation.

The seas allowed for trade with other civilizations.

Water was needed for raising animals.

Explanation:

All mentioned option except Water provided power for electricity are correct because of the simple reason that the electricity didn't existed in the 4th millennium BC when this first settlements were created. This settlements were created in the area between Egypt and Mesopotamia in the shape of crescent, thus we have that name. Of course, they needed water to crop, as agriculture was widespread, but the seas also allowed them trade, especially between Egypt and Mesopotamia.

8 0

3 years ago

Read 2 more answers