1 point 3. City A and city B are 2000 miles apart. Which of the following may explain why city A experiences much colder winters * City A is closer to the equator. O City B is at a higher elevation. City B is located near a warm ocean current. City A is located near a belt of high pressure.

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.

What are the first three quantum numbers for the electrons located in subshell 2s?

Compare and contrast refraction of light and sound will give brainliest