Answer:
The difference between a physical reaction and a chemical reaction is what its made of. In a chemical reaction, there is a change in the materials of the substances in question; in a physical change there is a difference in the appearance, smell, or simple display of a sample of matter without a change in composition. Whereas will a chemical change there is not.
Its D.
Carbon provides our natural fuel. Oxygen is important because it is essential in many processes that enable life and in the transformation of energy. Oxygen can also combine with so many different elements to form numerous compounds, and Nitrogen is vital in our world.
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Answer:
Conversion of energy
Explanation:
Shaking the sand is a form of kinetic energy. The friction of the sand particles rubbing against each other converts the kinetic energy to heat energy. Some of the kinetic energy also converts into the energy of sound waves, which you can hear while you shake the sand.
Answer:
3) 1.25
Explanation:
I had the same question and somehow got it right :)
Corona
Chromosphere
Photosphere
Subsurface Flows
Convention Zone
Radiative Zone
Inner Core
