【简答题】The difference between a liquid and a gas is obvious【66】the conditions of temperature and pressure commonly found at the suce of the Earth. A liquid can be kept in an open container and f【67】it to ...
【单选题】The difference between a liquid and a gas is obvious under the conditions of temperature and pressure commonly found at the surface of the Earth. A liquid can be kept in an open container and fill it ...
【单选题】The difference between a liquid and a gas is obvious under the conditions of temperature and pressure commonly found at the surface of the Earth. A liquid can be kept in an open container and fill it ...