Physical Boundaries
In geography, boundaries separate different regions of Earth. A physical boundary is a naturally occurring barrier between two or more areas. Physical boundaries include oceans, cliffs, or valleys.
The united nations approach crimes very good and calm they put the criminal in jail to prevent it and make them learn a lesson.
Answer:
Chan can use biodiversity as a tool by choosing different plants, animals and organisms for his research.
Explanation:
Biodiversity can be defined as the variety of life, which includes all plants, animals, humans, microorganisms, and much more. It includes all lifes and their interactions. Biodiversity is one of the most complex, as well as vital feature of our planet. A human depends a lot on biodiversity. The food we eat, the water we drink, the air we breath in, all depends on biodiversity. Like thatm it also contributes to a person's health. So Chan should study different organisms and their interaction with a huuman for his research.
Beds of marble metamorphic rock
