Answer:
A) positive
Explanation:
Connotation referes to the secondary meaning of a word or expression. When a word connotes something it can evoke feelings as well. In the case of the word "refined", it can mean free from impurities, however, when we talk about a person we can think of someone of fine taste whose speech is elegant and nice. "Precise" serves the same purpose. These qualities in a person are considered positive.
Answer:
Option C, REEFS IN PERIL
Explanation:
Peril word signifies threat or immediate danger.
Since the reefs are under threat of extinction. The best heading that can justify the endangered reef species is the "option C" i.e Reef in Peril.
However, the other heading like THE FUTURE OF THE REEFS, BENEATH THE AZURE WATERS LIES A LOST COLONY etc. are also apt but one would not be able to understand that here the author is talking about the reef in danger.
Answer:
"One of the most popular ways robots help doctors is by performing surgery or making operations easier. These machines make it easier to see into a patient's body and repair problems faster than human hands. So far, patients have been receptive to robots in the operating room and appreciate their precision and accuracy."
I dont know how to explain it much but it means: if your looking for awnsers look deeper and dont give up.Hope this helps!