Answer:
Bubbles are a sign that the yeast is alive, and that it is performing anaerobic respiration. You should notice that the mixtures with too little and too much sugar do not grow, bubble or foam properly. This is because the yeast needs the perfect amount in order to produce carbon dioxide.
Explanation:
Answer:
The depth (distance from top to bottom) of the atmosphere is greatest at sea level and decreases at higher altitudes. With greater depth of the atmosphere, more air is pressing down from above. Therefore, air pressure is greatest at sea level and falls with increasing altitude.
Explanation:
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Got it from flexbooks.ck12.org
Answer:
16) This person is a female.
17) This female is affected with "Triple X syndrome" .
18) This is known because there are three X chromosomes, and zero y chromosomes.
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