Dissolving the sugar cube in water is a physical change. It doesn't alter the sugar's chemical structure like burning it or breaking it down with acid.
<span>B. you’ve lost weight before but gained it back due to lack of physical activity
This is cause by personal lack of activity
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Prolonged and constant use of tobacco can weaken the user's immune
system and increase the risk of many diseases.. . Which of the following
diseases can makes the air sac in the lungs less elastic, reducing their ability to absorb oxygen?.
B.emphysema.
I want to play professional football for my favorite team after I finish collage.
