<span>Many of the plant catalog pages or botanist's sketches of plants can be viewed at museums because of their beautiful detail and exact color variation. Botanists are able to draw such detailed-images because of their intricate knowledge on the structure of plants.</span>
Because all living things are made of carbon in one way or another and we use nitrogen and water naturally.
To answer specific questions about the natural world
At the outer edges of ocean crust
Explanation:
The rocks found in continents are older and in some cases the oldest. The younger rocks are found in mid ridge of ocean. The oldest rocks can be found in ocean trenches that are very deep.
At the outer edges of ocean crust, oldest rocks can’t be found as relatively newer ones are formed continually and mostly found. So, different regions have different ages of rocks and needs to be explored properly.