If you walk 2km from your house to a store then back home, what is your displacement

If you walk 2km from your kouse to a store then back nome your displacement is 0km.

Explanation:

Displacement is defined as the distance from your original location. The displacement of the question is 0 because even though you left your house, you came back you your original position. Therefore you are 0km from your original position and have a displacement of 0km.

the answer is d. 74.02

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.