Bands of waves in the electromagnetic spectrum are arranged in order of

1 answer:

8 0

Bands of waves in the electromagnetic spectrum are arranged in order of frequency and wavelength. The answer is letter A. The rest of the choices do not answer the question above.

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Explain the difference between the four states of matter.

pishuonlain [190]

Answer:

Solids :A solid has a definite shape and volume because the molecules that make up the solid are packed closely together and move slowly. Solids are often crystalline; examples of crystalline solids include table salt, sugar, diamonds, and many other minerals. Solids are sometimes formed when liquids or gases are cooled; ice is an example of a cooled liquid which has become solid. Other examples of solids include wood, metal, and rock at room temperature. Liquids : A liquid has a definite volume but takes the shape of its container. Examples of liquids include water and oil. Gases may liquefy when they cool, as is the case with water vapor. This occurs as the molecules in the gas slow down and lose energy. Solids may liquefy when they heat up; molten lava is an example of solid rock which has liquefied as a result of intense heat. Gases : A gas has neither a definite volume nor a definite shape. Some gases can be seen and felt, while others are intangible for human beings. Examples of gases are air, oxygen, and helium. Earth's atmosphere is made up of gases including nitrogen, oxygen, and carbon dioxide. Plasma: Plasma has neither a definite volume nor a definite shape. Plasma often is seen in ionized gases, but it is distinct from a gas because it possesses unique properties. Free electrical charges (not bound to atoms or ions) cause the plasma to be electrically conductive. The plasma may be formed by heating and ionizing a gas. Examples of plasma include stars, lightning, fluorescent lights, and neon signs.

Explanation:

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3 years ago

Which has greater value, a newton of gold on earth or a newton of gold on the moon?

jek_recluse [69]

The moon, because the acceleration due to gravity is less.

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2 years ago

How fast was a plane flying if it traveled 500 km in 30 min?

anyanavicka [17]

Answer:

16.7 km per min