Answers
The second option isn’t true because the fabric protects people from the debris, it doesn’t actually explode the concrete
The third option isn’t true because steel and concrete need different explosives, not necessarily “more” If anything I think concrete needs more explosives because steel needs to be broken in one place
The last option could be true but I didn’t read anything about putting steel explosives in holes
The experts use one kind of explosive for steel columns and another for concrete columns because of option A.
What is Steel?This is known to be a kind of iron alloy that is also an alloy of carbon and it is one that has carbon and manganese and some little amounts of silicon, phosphorus, etc, in it.
Note that the option that is correct is the first one because steel is much stronger.
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Related Questions
Why does soil composition differ all over the world
Answers
Answer:There are numerous reasons why soils differ regionally. The most influential factors include the parent material (the rocks from which the soil has come), the climate and terrain of the region, as well as the type of plant life and vegetation present, and, of course, human influence.
Explanation:hope this helps