When you use the best LED grow lights, you will have the chance to grow for years without having to replace your lighting system. Most LED lights are rated at somewhere between 50,000 and 100,000 hours of use.
Work smarter, not harder! Overview of the PPR The PPR test of the TExES will compromise approximately 90 questions, including 10 field test questions. 80 questions will be scored and be distributed about evenly across the 13 competencies. You must make at least 240 points to pass.
All About the PPR Exam. The State of Texas has made it compulsory for all qualified teachers to be certified educators through a compulsory test called the TExES exam. The Texas Examinations of Educator Standards (TExES) tests are conducted for all subject areas which are called domains.