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.
Two-thirds of GMAT test-takers score between 400 and 600 and only 10 percent get 700 or above [source: TestMasters]. The median score (which exactly half of test-takers get above or below) is 550. For more information on standardized tests and higher education, look at the links on the next page.