I think answer a makes the most sense because when you are skeptical, you tend to not accept new and different ideas that are contrary to what you think is true.
Answer:
In the earth sciences, parent rock, also sometimes substratum, is the original rock from which younger rock or soil is formed. In soil formation the parent rock (or parent material) normally has a large influence on the nature of the resulting soil; for example, clay soil is derived from mudstone while sandy soil
Explanation:
The option that tells us the main theme of the passage is the fact that With the arrival of talking films in the 1920s, silent films became unprofitable.
<h3>What is the summary of the passage?</h3>
This passage is telling us of the reasons why the people had to stop making the silent movies. It is telling us of all of the issues that came with it and why the film makers had to do away with them.
First the movies were said to have been destroyed. That is the ones that were already in existence and how many of them had to be recycled so that they could get the metals that they contain.
All of this came to be based on the fact that these movies were no longer seen to be profitable anymore. Hence it was of no use having them around.
Read more on theme of a story here:
brainly.com/question/25336781
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Answer: There are many reasons as to why, but here are some main ones. You can experience pressure which can cause you to stress out and can easily put you in a bad mood. You can end up having anxiety due to whatever which can make you feel worried. Or, you can end up having something in your mind that can make you feel sad and gloomy.
The correct answer is iron.
<span>Iron or iron ores are considered to be of critical use to almost everything in industrialized economies in fields such as energy, infrastructure, transportation uses and the creation of equipments or tools. Iron is made into steel, which is used as foundation for houses and large buildings. Which is why it is considered to play a vital role in industrialized economies.</span>