DNA is used as its own template in replication.
Answer:
The Earth has three main climate zones: tropical, temperate, and polar. The climate region near the equator with warm air masses is known as tropical. In the tropical zone, the average temperature in the coldest month is 18 °C.
When we're eating food, the different food stuffs need to be broken down from big molecules to smaller ones. This happens through different processses which happen in our body. For this reason, the larger molecules need energy to be broken up into smaller ones and when these happens these smaller ones get then taken up in our body and used up.
Strengthening of trade winds and selection of crops.