Some topics are general and are regarded as 'classical' because they are always relevant across time periods through being relatable even as time progresses. For example, topics or themes about politics and satire would still prevail until now. Other topics or themes (such as viral videos) are only for that particular event and do not always occur, thus they do not prevail in the long run.
Answer:
The answer is context clues.
Explanation:
The main idea would mainly be about what a spacewalk is and the steps they take to go on spacewalk
Answer: Physical fitness isn't something you accomplish and afterward disregard. Rather, it's a test we face every single day. You have to keep up it and keep up the work you did to arrive at your ideal physical wellness.
Explanation: Physical activity is the development of enormous muscle bunches through day by day exercises. Exercise is a type of physical movement with the objective of improving physical wellness.