Answer:
Scale on a map is important in order to give the map reader a sense of size. Maps are just about always smaller than what they really represent, and scale is a way of quantifying how much smaller they are.
First, find yourself a map. Then, using two points, find both the distance on the map and the true distance. Next, you divide the true distance by the measured map distance, and find your scale. Last, you need to place that ratio onto your map.
Im not really good with essays,but i can give you an idea.
I think the best way to learn things is to find an interest in it and continue doing some research on it until you have a good understanding of it.Thing like a new sport or experiment
Until the early Proterozic there were only negligible amounts of free oxygen in the atmosphere