B- speed up the chemical reaction
Answer:
B and D
Explanation:
Since it says all carbon atoms have six electrons, we know that they only have six protons too. The carbon 13 and 14 means they have extra neutrons that increases their atomic mass.
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3 reasons are
Lack of EnthusiasmLack of Focus
Lack of Eye Connection
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Answer:
ll. Chlorine
Explanation:
Inbiochemical systems are oxygen (3.44) and nitrogen (3.04) while carbon (2.55) and hydrogen (2.22)
