They are both sources of power for objects that people use.
Answer:
A,
C.
D.
B.
Explanation:
The front vent of a fume hood that assists and maintain proper air circulation is <u>Airfoil</u>
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The horizontal flat surface area of the fume hood where experiments are being carried out is <u>Work Surface.</u>
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The main characteristics which demonstrate and describes how substances evaporate rapidly and readily into the thin air while producing a huge amount of vapor is known as <u>Volatile</u>
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In front of the fume hood, lies the glass panel whose main purpose is to shield the user from the hazardous substance. This glass panel is known as the<u> Sash.</u>
1) chromatography- separation by inner molecular attractions.
2) distillation- separation by boiling point differences.
3) filtration- separation by particle size
4) crystallization- separation by solubility
