1, I want to say in the mid atlantic.
2. you use the scale on the bottom left to answer so it 1cm=405km.
3. I think you pick a line on the picture and that's the age, but I'm not to sure because I don't see a key. I hope this helps.
Answer: in mixture water molecules comes closer to ethanol molecules because of hydrogen Bonds. Then smaller water molecules occupy less volume than in pure water.
Explanation: water molecules are smaller than ethanol molecules.
Both form Hydrogen bonds in pure form and in water-ethanol mixture.
Water molecules fill better space between ethanol molecules.
I think volume of the mixturecoild be 59.6 -59.8 cubic cm
