Is Effervescent physical change

Some ice cubes were placed in a beaker in a warm room after 4 days only half the water was left give two ways the conditions in the room changed to make this happen? Where do nearly all clouds and weather systems occur? What conditions describes the eye of a hurricane? Why does a clay made charcoal stove use less charcoal than a metallic one? What are purkinjie fibers and in what part of the brain are they found? How many meters in 1800cm? How do you turn up the volume on a rio? What do you mean in omnivores? What volcanic feature is the most difficult to identify? Why is the process of metabolism important? Can a woman type o and a man type o have a type b child? What time is 3pm edt time in Texas? What hormones are made by the posterior pituitary? According to the bohr model atoms adsorb electromagnetic radiation with frequencies that correspond to which of the following? Why would the solar system look flat from the other side? How many nickels equal 5 kilograms? What is the swim bladder used for and how does it work? What does Canada import from Germany? What is magnesium sulphate in Tamil? Compare and contrast ursa major and Milky Way?