The answer is (4) methanol. The alcohol means that this molecule has a functional group of -OH. And the name usually ends with -ol. So the methanol is the only one with alcohol.
The egg is activated to begin the development process so in order for that to happen fertilisation needs to happen
Answer:
1 mole
Explanation:
A mole of water molecules contains 2 moles of hydrogen atoms and 1 mole of oxygen atoms.
The answer is “decreasing mass by one unit”
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