During the height of the ice age, between 34,000 and 30,000 BC much of the world’s water was frozen into ice sheets. Because of the drop in sea level, a land bridge, known as Beringia, emerged between Asia and North America
We shall study other examples of additions to the double bonds of alkenes. We begin with the additions of hydrogen halides, sulfuric acid, water (in the presence of an acid catalyst), and halogens
