Natural ecosystems are able to maintain a vibrant diversity of life because they incorporate intricate recycling systems that conserve essential materials.
Aerial photographs are mostly taken from the air. Aerial photographs try to capture as much of the view as possible.
Your answer is: Air
Have an amazing day and stay hopeful!
I believe that the correct answer is B. There are many articles that talk about how workers in Mexico are getting paid these low salaries for hard factory work.
Answer: Probably, harder the mineral it scratches. It makes more sense.
Igneous rock derives it's name from the Latin word ignis which means fire. It is formed when the magma after volcanic eruption gets cool and solidified either on the surface of earth crust or inside the earth crust. These rocks are characterized by their hardness. These rocks undergoes no chemical weathering but exhibit very low mechanical or physical weathering may occur. Therefore, hardness is the property which can be used to identify the origin of an igneous rock.
