Artificial quartz is produced

a

in Brazil

b

from tiny transistors

c

in an astonishing number of devices

d

with the help of thermionic valves

e

from natural crystals within steel cylinders

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Correct Option
e

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Discussions (7)

DVictorybearer
4 years ago

From the passage:
In order to make artificial quart----a very small pieces of natural crystal imported from Brazil are placed in ... steel cylinders.

This makes E the best option to me

Well, if the right answer is 'D', please provide information to prove it

Temidayoofoyo
3 years ago

E is the correct answer, I've read it all over again several times 🤦🏽‍♂️

Ayio
1 year ago

wrong answer

Wande
3 years ago

pls i think E is the correct ans cos D according to wat de passage said is wat quartz replace and this is because de thermonic valve are large

iroayo
1 year ago

i think E is the correct answer according to the passage

Ojimbaaa
3 years ago

Read this question over and over again
E is the correct answer.

aremuanjola0
3 years ago

E is the correct answer. correction should be made .

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