Answer:
ring
Explanation:
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The sphincter is a ring of muscle surrounding and serving to guard or close an opening or tube
Hello!
The type of polymer that is made by bonding an alkene to one or more alkanes or alkenes is called addition polymer
Addition polymers are those whose polymerization reaction doesn't produce low molecular mass compounds but the bonding of molecules one after the other. Such a reaction implies that there is a rupture in the bonding between monomers (the building blocks of the polymer) to allow the formation of a chain.
Bonding an alkene to one or more alkanes or alkenes is an example of an addition polymerization.
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The ph of 3 sorry if I’m wrong
Carbon is relatively small. non - bulky atom that shares electrons easily .
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