Answer:
Try this for answer 3082.24
Answer:
A molecule of the kind normally found in living systems.
Organic molecules are usually composed of carbon atoms in rings or long chains, to which are attached other atoms of such elements as hydrogen, oxygen, and nitrogen.
Explanation:
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Answer:
Light bulbs
Explanation:
light waves are electromagnetic waves which can travel through a vacuum
option A.
The number of valence electrons of an element can be determined by the periodic table group (vertical column) in which the element is categorized