Clay because it’s a mixture of dirt and runoff/water
Answer:
The goal of systematics is to organize living things into groups that have biological meaning. the science of naming and grouping organisms.
Explanation:
Its called the convolution
also known as the Gyrification of the brain, it increase the brain surface area , allowing more neuron capacitiy to process information
its located in cerebral cortex and become a place where our brains store our memories.