The answer to your question would be D
A or the balance between organic matter and mineral matter
The ocean surface currents circulate counter clockwise direction in the southern hermisphere duebto the coroilis effect.
Answer:
There is no actual way that the mantle could be...'exposed' or 'seen'. But scientists have managed to find multiple ways to analyze the mantle and it's actual existence by using multiple devices. The mantle is basically a 2,900 kilometers (1,802 miles) thick blocks of rocks and minerals underneath the crust(or the surface of the earth) , and makes up a whopping 84% of Earth's total volume.
I believe it’s a or c. and those links are so annoying i had to start a new account