Answer:
As anything that has mass and takes up space. Matter is found in 3 major states; solid, liquid and gas. Atoms are the smallest particle of matter. They are so small that you cannot see them with your eyes or even with a standard microscope.
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Explanation:
Answer:
Physical property
Explanation:
Physical characteristic of matter is not associated with the changes in its chemical composition.Some of these properties are color and density that can be observed without altering the physical state of the matter.Other physical properties such as freezing and melting are observed when a change in physical state of matter. When there is not change in the identities of substances contained in the matter then that's a physical change property.
Answer:
Explanation:
E = Energy
T = Time
Power is given by the equation
For first case
For second case
For third case
The rank of power would be
Sound waves in air are a series of <span>periodic disturbances, </span><span>periodic condensations and rarefactions,</span><span> and high- and low-pressure regions. It is all of the above. The answer is letter D.</span>
Answer:
Stars emit colors of many different wavelengths, but the wavelength of light where a star's emission is concentrated is related to the star's temperature - the hotter the star, the more blue it is; the cooler the star, the more red it is