Answer:
The 38 elements in groups 3 through 12 of the periodic table are called "transition metals". As with all metals, the transition elements are both ductile and malleable, and conduct electricity and heat
Explanation:
Answer:
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Explanation:
This makes sense because this portion of the endoplasmic reticulum builds lipids, or fats, rather than proteins, and thus doesn't need ribosomes. These lipids may include fatty acids, phospholipids and cholesterol molecules. if incorrect dont hate on me please
Answer:
Air pollution occurs when harmful or excessive quantities of
substances are introduced into Earth's atmosphere. Sources of air
pollution include gases (such as ammonia, carbon monoxide, sulfur
dioxide , nitrous oxides , methane and chlorofluorocarbons),
particulates (both organic and inorganic), and biological molecules .
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