Answer:
constant
Explanation:
it's talking about how the students will be needing to change their skill set constantly
I believe the correct is the third option. It is important to preview sources before using them in your research because it reveals deeper concepts. Reading deeply the sources would allow you to have a deeper understanding of the sources and determine which parts of the sources are useful to your research.
<em>Which concept does Roosevelt most likely intend to convey in this sentence? </em>
<em>The answer is, Optimism is important to success.</em>
<em>When Roosevelt reinforces the fact that this nation will endure as it has endured, he does it to tell his people that no matter how it looks today our nation will prosper, no matter how bad it appears to be, this nation has always stood up. American Manifest Destiny, though it refers to expanding his lands by providential order, also gives Americans a providential pull, a lift up, that always takes them forward. Roosevelt is aware of this, but his people has forgotten it, and he reinforces this truth to lift up the moral of the American people.</em>