Hey. The first sound is the "lub." This is what you hear once the mitral and tricuspid valves of the heart close, which are the valves between the atria and the ventricles! Super cool. It is your third answer choice.
When a little curd is added to milk, the Lactobacillus bacteria present in the curd converts lactose sugar contained in milk into lactic acid.
The increased acidity in milk causes the protein, casein, to coagulate or form lumps, which leads to the formation of curds.
C. How long does it take a paper bag to break down?
The answer is C. The phenomena occur in plant leaves and help water transportation in xylem tissues is photosynthesis and transpiration. A balance between these two phenomena is important to maintain balance in the plant's life.
Answer:
Ce clasă ești sa văd daca te pot ajuta?
