Which of the following statements is true of glare control?           a. redirecting lamp fixtures and adjusting bulb types will do little to control glare.   b. indirect lighting is preferred to direct lighting because it produces less glare.   c. special care must be taken to prevent glare where a low illuminance is required.   d. using bulbs that aren't frosted will to diffuse the light and reduce glare. do not answer if you are guessing or giving a bias answer just for point.

Identify the missing numbers below to show the result of multiplying the numbers (1.6 × 10-19)(5.0 × 106) = c × 10d

The scheme below is from a series of reactions that are part of a synthesis of vitamin a. answer the following questions with reference to this scheme. (i) what is "reagent a"? (ii) draw a step-by-step mechanism which explains the formation of compound c from compound b (iii) which reagents would you use to form compound e from compounds c and d (reagents b and c)? for each reagent suggested above in (ii) explain the role of the reagent in the reaction to (iv) form compound e. you may wish to do this by drawing a mechanism. 1. addition of reagent a но reagent a 2. н,о" thо oh нон-с compound a. compound b. compound c .ch-оh 1. reagent b "сно 2. reagent c сh oh compound e. compound d.

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?