Why does a food item containing water molecules more efficiently heat up in a microwave oven?

Food items containing water molecules heat up more efficiently in a microwave oven because microwaves primarily target water molecules, causing them to vibrate and generate heat through friction. Water’s unique molecular structure allows it to absorb microwave energy effectively, leading to rapid heating. This process results in even cooking and faster heating compared to foods with lower water content, which may not absorb microwaves as efficiently.