Answer:The understanding of conservation
Explanation:
The law of conservation states that the amount of something is preserved even when the shape is altered or even when that thing is deformed.
For example putting the same amount of water in a short big glass and transferring it into a long thin glass doesn't change the amount of water that was initially in the first big short glass and children may not understand this at a certain age until they grow up to understand the law of conservation.
Police officers are doing the work given by the government and help the people and protect the people from the thieves and killers
Explanation:
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1. During the Second World War Margaret Hutchinson Rousseau<span> oversaw the design of production plants for the strategically important materials of penicillin.
For the first question, the answer is B. </span><span>penicillin
2. </span>An entrepreneur is best defined as a person who <span>takes financial risk to try new business ideas. The answer is D.</span>
