Answer:
laughter may have healing properties
Explanation:
"this discovery" as stated in the text is actually referring to "laughter may have healing properties".
From the passage, we discover that it was stated that the doctors reveal that laughter may have healing properties.
Also, the last line of the text revealed that "the discovery" is having a phenomenal influence on health care. It is only laughter that can bring something phenomenal among the other options given.
Something phenomenal is referring to something remarkable. Therefore, laughter is what can make bring a phenomenal influence on health care.
Answer:
technology in a way is beneficial, but in most ways causes more harm than good.
Explanation:
technology leads to cyber conflict and makes it easier for these perpetrators to hide their faces. unsuspecting users can be targeted ans personal information can be leaked by these hackers.
The correct answer to you're question is:
B. Studying Mathematics.
Have a great day!!!
The best answer should be the first option because it shows a relevant scientific reason. The other statements lack a scientific explanation that is relevant to decision making.