Which is a correct order from older to younger for layering of rocks shown in the figure.
b, i,d, h,c
f, e,d, c,b
b, c,d, e,f
h, b,c, g,i

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.

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.