Agar usually comes in three forms: powder, flakes, or a bar. All three work equally well; the real difference is ease of preparation. Powdered Agar is usually the easiest to use, as it can be substituted for gelatin in a 1:1 ratio (1 teaspoon gelatin is equivalent to 1 teaspoon Agar powder).se Agar as a substitute for egg whites. If you have a recipe that calls for egg whites but you are vegan, allergic to eggs, or simply don't like them, Agar is a suitable replacement. To replace one egg, mix 1 tablespoon Agar powder in 1 tablespoon of water.
Eons and Eras. The first principal subdivision is called the eon. An eon, the largest division of the geologic time scale, spans hundreds to thousands of millions of years. Geologists generally agree that there are two major eons: the Precambrian eon and the Phanerozoic eon. The Precambrian goes from the formation of the earth to the time when multicellular organisms first appeared - that's a really long time - from 4,500 million years ago to just about 543 million years ago.
Itâs at this time that the Sun takes the longest amount of time to cross the sky, giving us the longest day of the year. In the Northern Hemisphere the date of the 2015 Summer Solstice is 21 June at 16:38 UTC.In the Southern Hemisphere the date of the 2015 Summer Solstice is 22 December at 04:48 UTC.tâs at this time that the Sun takes the longest amount of time to cross the sky, giving us the longest day of the year. In the Northern Hemisphere the date of the 2015 Summer Solstice is 21 June at 16:38 UTC.