Answer: Oxygen
Explanation:
The gas that is useful for burning from the options given is oxygen. For combustion to take place, it should be noted that oxygen is required.
Fire is simply a chemical reaction that is being created from fuel and oxygen which eventually creates the heat and the light that's gotten. The percentage of oxygen that is in the air is about 21%.
Setting ,plot , rising action
D) Gerasim is unhappy as a servant, whereas Ivan Ilyich is proud of his position in society.
During a formal discussion in his science class, kai will be speaking about the importance of exercise. 'Read the materials ahead of time and take notes about important ideas and viewpoints' is the best advice he can follow to be a prepared speaker.
<h3>What are the importance of exercises?</h3>
The importance of exercises are:
- Helps to decrease the risk of heart diseases
- Helps to maintain your weight
- Reduce the risk of type 2 diabetes.
<h3>What are the types of exercise?</h3>
The types of exercise are:
- Aerobic training
- Strength training
- Flexibility and mobility training
Hence, the correct answer is Option A
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<em>Fathers took their boys out of Christian school early in order to;</em>
B. To protect the boys from the Boxers
<u>The Boxer Rebellion that emerged in China opposed foraneous influence in religion, politics, commerce, and technology. </u>
<u>During this time, The Boxers proceeded to murder Christians. When the fathers were alarmed of this, they took the action of taking their kids out of school to protect them from The Boxers.</u>
