Proton:
Positive
Found in Nucleus
Mass of 1 AMU
Neutron:
Neutral
Found in Nucleus
Mass of 1 AMU
Electron:
Negative
Found in orbitals
Mass of 0 AMU
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Answer:
D
Explanation:
As bioindicators are the organism that indicate or monitor the health of the environment
Answer: X is an Esther
Explanation: alcohol and carboxylate acid forms esters
