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NeX [460]
3 years ago
15

How are radio and television signals added to EM radio waves?

Social Studies
1 answer:
vaieri [72.5K]3 years ago
4 0
Electronic waves I think
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A cylinder at left with balls in a layer on the bottom of the cylinder has an arrow leading to a cylinder at right with balls st
puteri [66]

Answer:

Atoms gain energy as a solid changes to a gas.

Explanation:

Atoms gain energy as a solid changes to a gas because due to energy the atoms moves against the attractive force. If the atoms loses all the energy, then it converted again into solid due to attractive forces which pulled molecules together. So we can say that atoms gain energy as a solid changes to a gas or in other words, atoms loses energy as a gas changes to a solid.

5 0
2 years ago
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5. What are four pieces of evidence Alfred Wegener used to support his theory of continental drift? (4 points).
Mekhanik [1.2K]

Answer:

The four pieces of evidence for the continental drift include continents fitting together like a puzzle, scattering ancient fossils, rocks, mountain ranges, and the old climatic zones' locations.

Explanation:

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2 years ago
Which of the following words best completes the following sentence: Cells function _____ in all living organisms. 1.Periodically
Ludmilka [50]

Answer:

4. Similarity

Explanation:

Cell is the structure on which humans exist. They perform all the functions of life like reproduction,movement, responding to changes in the environment they find themselves, growth, excretion, etc. All living organisms have cells in them and they perform similar functions.

The main function of cell in living organisms is conversion of food nutrients into energy thereby providing structure for the body. Without cell, organisms cannot exist hence it is termed basic unit of life.

Although they are small and trillions found in living organisms yet they are important to the survival of organisms.

8 0
3 years ago
How did geography play a role in the decline of the Aztec Civilization?
svlad2 [7]

Answer:

Hope this helps <3

Explanation:

In the ancient Aztec empire, there area of land affected their daily life and trade in many ways. ... But also the Aztecs didn't farm as much in the ocean, there were nice lakes and streams in valleys, and there were little islands that have very good farming soil on it. So that where they farmed most of the time.

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A child working for his father's corporation is not exempt from coverage under fica.
MArishka [77]
The answer is <span>a. True </span>
4 0
3 years ago
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