Answer:
Option A
Explanation:
In a physical change, physical characteristics such as shape, mass, volume, state, phase etc. changes while in a chemical change one substance convert into entirely different substance which may or may not be converted to its original form. Of all the given options, option A represents a physical change. In option A the phase of the substance has changed from solid to gas.
Answer:
the amount of calcium is variable.
Explanation:
osteoporosis is an illness that is caused by lack of calcium in a person's body.
Observations is the correct answer.
Waste is buried deep in the glacier but rides downhill and will eventually melt out. Beginning in 2007, removal of human waste via Clean Mountain Cans
Answer:
c. o resumo do jornal com as principais noticias do dia.
Explanation:
O resurso que comprova que o texto apresentado no jornal nao e um lead e a principal noticia do dia. Isso e cosiderado uma chamada.