Infer In most animals, an action potential will travel only in one direction along a neuron. Infer what the result might be in humans if nerve impulses could travel in both directions on a single neuron.

i think that c)gold was found there

but i am not sure

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.