The sapphire's transparency to ultraviolet and infrared radiation makes _____ in optical instruments.

1. it is of use 2. it uses 3. it a useful 4. it useful
7 years ago
Asked 7 years ago
Vijay

Like it on Facebook, +1 on Google, Tweet it or share this question on other bookmarking websites.

Sponsored links
4. it useful
Answered 7 years ago
StuPitt

Please register/login to answer this question.  Click here to login



Sponsored links

Found Errors? Report Us.