Answer: In the first Experiment, when the student opens the bottle and the gas escaped, it may escape with some portion of the soft drink, as it is under pressure, then the bubble will shrink and some may vanish. This is because the gas under pressure has escaped from the drink, thereby reducing the pressure in the drink.
For the second Experiment, when the student squeeze the bottle, he will increase the pressure of the gas in the soft drink, which makes the bubbles to grow and some will appear. This is because the squeezing of the bottle has tend to increase the motion of the gas in the bottle, which made the pressure to increase, and more bubbles to appear.
Explanation: bubbles in a drink is as a result of increase in the pressure of the gas in the drink. This gas will rise to the top of the bottle, as their want to escape from the bottle, their will rise with some portion of the drink, which we see as bubbles in the drink.
Answer:
Pope Urban II called for all Christians to unite and fight the Muslims to regain control of the Holy lands. After four Crusades, the Muslims won control of the Holy Lands. However, the crusades resulted in increased trade in Europe and the development of towns.
Explanation:
Answer:
he was among the first propose its existance
The correct answer to this open question is the following.
Although there are no options attached we can say the following.
Two ways in that presidents can control their approval with the public more directly are the use of mass media and social media to influence the public opinion of American citizens and the decisions he makes in favor of the American people that create direct benefits for them.
These methods affect their decision-making processes as head of the Executive branch in that sometimes the decisions made are only thought to improve their public image and popularity, not really resolving important issues in the country that need to be addressed seriously.
Many times, public relations and media advisors just think about how to favor the popularity of the US president, instead of inviting him to face the toughest issues that affect the citizens.
A correlation is some sort of connection between two or more ideas. The correlation between attendance and grades is that if a student has low attendance they would have lower grades than that of a student who had high attendance.
