Answer: A. Mantle
" Heat rising and falling inside the mantle creates convection currents"
Answer: Neural networks
Explanation:
The brain woks by combination of the networks. There are different types of neurons that combines together to function.
The network of neurons that are combined together in such a way to process the data.
It has the ability to process data in such a way that multiple function can be performed together like decision making, receiver distance, et cetera.
Yeah that's the right answer, the other would influence the tides but the shoreline won't.
Hope that helped :)