Answer:
A: A new blood test makes it easier-and safer-to detect concussions.
Explanation:
The main idea of the passage is A new blood test makes it easier—and safer—to detect concussions.
Notice the phrases question the use of and proposed an alternative way. They suggest that the main idea involves a possible solution to a problem. Here, the main idea is that the problem of detecting concussions without radiation could be solved by a simple blood test.
It's the 2nd and 4th one.
Hope this helps! (:
In summary, it can be said that President J. F. Kennedy during the Duban Missile Crises was for a total of thirteen days confronted with the tough decision of how to manage a situation that nearly created a global nuclear crisis. This crisis took place in October 1962.
<h3>What is a Summary?</h3>
A summary is a concise reference highlighting the key points of an event, story, or literature.
What you should not include in your summary are points that are not relevant to the discourse.
Learn more about Summaries at:
brainly.com/question/25675468
Answer:
purna said that she had done her homework
