Well for one, we used coal for electricity, water for steam engines when they were much in use, natural fossil feuls for our gasoline and oil, and we use earths oxygen/nitrogen gasses to breathe and sadly we are polluting it at a fast rate
Answer: The correct is- B) Sucrose.
Carboydrate is one of the four major biomolecules that is composed of carbon, hydrogen, and oxygen atoms. The ratio of hydrogen and oxygen atom is 2:1. Simple carbohydrate is also called sugar.
Sucrose is a disaccharide ( made up of two simple sugar units) as it is made up of glucose and fructose.
Therefore, sucrose is a carbohydrate molecule.
answer:
earth's average temperature would be near 0°F (or -18°C)
explanation:
greenhouse gases in the air, mainly carbon dioxide, methane, and water vapor, trap radiation from the Sun and act as a thermal blanket around the planet. without the greenhouse effect, earth would have an average temperature of -18 °C and be covered in ice. life as we know it would not be able to survive.
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hopefully this helps
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Answer: The area of magnetic force around a magnet
Explanation: "A magnetic field is a vector field that describes the magnetic influence of electric charges in relative motion and magnetized materials. A charge that is moving parallel to a current of other charges experiences a force perpendicular to its own velocity." <em>*Wikipedia*. </em>
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Mereka tergolong dalam kelas yang sama, yaitu kelas mamalia
Kelas mamalia memiliki ciri - ciri sebagai berikut :
- Hampir semuaBereproduksi dengan cara melahirkan
- Merupakan binatang yang menyusui
- Bernapas dengan paru - paru
Semoga membantu
