My point of view is if you were living waaayyyyy back then
positive:
- fresh water
- food
- fertile soil
- trading
- easier travel
- can connect cities
negative:
- flooding
- vulnerable to invasions
- water could dry up
- seasonal changes
I think that a) is chemical, and b) would be chemical
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
Igneous rock can change into sedimentary rock into metamorphic rock. sedimentary rock can change into metamorphic rock or into igneous rock. Metamorphic rock can change into the igneous or sedimentary rock.
