Answer:
A. Bubbles formed
Explanation:
When a student added a piece of limestone to a solution of hydrochloric acid, bubbles are formed.
The bubbles are as a result of the CO2 gas that is formed.
Below is the reaction:
CaCO3+2HCl → CO2+H2O + Ca++ + 2Cl-
From the left hand side, we can see that the reaction is with limestone and hydrochloric acid. Their reaction forms carbon dioxide gas (CO2), water (H2O), dissolved calcium (Ca++) and dissolved chlorine (Cl-) on the right hand side.
With due observation, bubbles will be seen evolving from the reaction. These bubbles formed is the carbon dioxide gas which reveals that a reaction is taking place.
The structure of the story creates tension because he uses vague descriptions to talk about the relationship between Susan's family and Saleh Hamadi.
<h3>What is the structure of the story?</h3>
The author makes use of a sequential description to describe the school life of Susan in high school to her admiration of Saleh Hamadi and her family's relationship with him.
Hence, we can see that based on the text, there is the vague description of Saleh Hamadi as Susan's father cannot remember how they met and also the fact that Saleh Hamadi has lived in a hotel for a very long time helps creat tension and add to the meaning of the story,
Read more about Saleh Hamadi here:
brainly.com/question/6078025
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Answer:
The Paradox of Automation says that the more efficient the automated system, the more crucial the human contribution of the operators. ... If an automated system has an error, it will multiply that error until it's fixed or shut down.
B) escape from their enemies by jumping away
Escape is spelled correctly in the excerpt. Escape does not have an x. This means option A is wrong and B is correct. C is also wrong because of the spelling of escape and also because it uses the wrong there. In the sentence, their is a possessive adjective. It shows that enemies "belong" to the monkeys since they are the enemies of the monkeys. There means a place, as in over there. They're is a contraction meaning they are. Option D is wrong because of the spelling of escape and the apostrophe in enemie's. An apostrophe is used for contractions or to show ownership. The enemies do not own anything and it is not part of a contraction.
Answer:
Yes,
Explanation:
It is not who you are but who you wish to be and what you want to change about yourself. Its better is you just create an image of who you are.
