题目

When we got there, the farmer us around his farm. A . took B . gave C . showed D . got 答案：C下列能用质量守恒定律解释的是（　　） A、湿衣服晾干后质量减小B、蜡烛受热熔化，冷却后质量不变C、纸在空气中燃烧后化为灰烬，灰烬的质量比纸的质量小D、10g蔗糖溶于90g水中，得到质量为100g的糖水