Select all the correct answers. Read the following sentence.
During the taste-test experiment, participants wore opaque blindfolds so that they could not see the brand names of the
foods they were testing.
In which of the following sentences does opaque have the same meaning as in the sentence above?
The confused students asked the teacher to help them understand the opaque lesson
on inflation and its effects on the economy.
The deep-sea diver found it difficult to see through the opaque water after a passing
shark stirred up mud and debris.
The patient did not understand the seriousness of his diagnosis because the doctor,
afraid of upsetting the patient, used opaque jargon and unclear descriptions.
The director of the museum insisted on replacing the clear glass windows with opaque
windows to prevent the precious paintings from fading in the sunlight.