Answer:
it is because this Complex carbohydrates always takes longer time to digest and are a more sutiable source of energy than simple carbohydrates. ... As also the complex carbohydrates have more longer chains, and they take more time longer to break down and provide more lasting energy in the body than simple carbohydrates. Both types of carbohydrate are often present in many foods.
Explanation:
Beacause prokariyotics are unicellular organisms.
Because the rock is laid down over time, the oldest rock (and fossils or whatever) will be in the lowest layer. As you go up, the age decreases - you are looking at younger rocks.
This doesn't tell you the *absolute* age of the rocks - you can't say from this evidence whether they are 100 million or 500 million years old. But you can see changes over history and you can get an ordering in time.
